# 中文docker-compose学习笔记 **Repository Path**: LZY2006/chinese-docker-compose-learning-notes ## Basic Information - **Project Name**: 中文docker-compose学习笔记 - **Description**: 中文docker-compose学习笔记 - **Primary Language**: Unknown - **License**: MIT - **Default Branch**: master - **Homepage**: None - **GVP Project**: No ## Statistics - **Stars**: 2 - **Forks**: 0 - **Created**: 2021-02-16 - **Last Updated**: 2025-04-21 ## Categories & Tags **Categories**: Uncategorized **Tags**: None ## README # Docker 进阶 按照[狂神的视频](https://www.bilibili.com/video/BV1kv411q7Qc)做的笔记。 ## Docker Compose > 官方介绍： > Compose is a tool for defining and running multi-container Docker applications. With Compose, you use a YAML file to configure your application’s services. Then, with a single command, you create and start all the services from your configuration. To learn more about all the features of Compose, see the list of features. > > Compose works in all environments: production, staging, development, testing, as well as CI workflows. You can learn more about each case in Common Use Cases. > > Using Compose is basically a three-step process: > > 1. Define your app’s environment with a Dockerfile so it can be reproduced anywhere. > 2. Define the services that make up your app in docker-compose.yml so they can be run together in an isolated environment. > 3. Run docker-compose up and Compose starts and runs your entire app. > **翻译：** > Compose是一个用来定义和运行多容器Docker应用的工具。有了它，你可以用一个YAML文件来配置你的应用的服务。然后，你可以通过一行命令依照你的配置文件创建和启动所有的服务。想了解更多有关于Compose的功能，请看[功能列表](https://docs.docker.com/compose/#features)。 > > Compose可以用在所有的场景中：生产、展示、开发、测试，以及CI工作流。你可以在[常用案例](https://docs.docker.com/compose/#common-use-cases)了解更多。 > > 使用Compose基本上是一个三步过程： > > 1. 用`Dockerfile`定义你的应用程序的环境，你可以把它发布到任何地方。 > > 2. 定义在`docker-compose.yml`中定义组成应用程序的服务，以便它们可以在隔离的环境中一起运行。 > 3. 运行`docker-compose up`，然后Compose启动并运行整个应用程序。 Compose是Docker官方的开源项目，需要安装。 `Dockerfile` 让程序在任何地方运行。 Compose： ```yaml version: "3.9" # optional since v1.27.0 services: web: build: . ports: - "5000:5000" volumes: - .:/code - logvolume01:/var/log links: - redis redis: image: redis volumes: logvolume01: {} ``` `docker-compose up` ## 安装 Windows不需要另外安装。 ```powershell PS C:\> docker-compose Define and run multi-container applications with Docker. Usage: docker-compose [-f ...] [options] [COMMAND] [ARGS...] docker-compose -h|--help Options: -f, --file FILE Specify an alternate compose file (default: docker-compose.yml) -p, --project-name NAME Specify an alternate project name (default: directory name) -c, --context NAME Specify a context name --verbose Show more output --log-level LEVEL Set log level (DEBUG, INFO, WARNING, ERROR, CRITICAL) --no-ansi Do not print ANSI control characters -v, --version Print version and exit -H, --host HOST Daemon socket to connect to --tls Use TLS; implied by --tlsverify --tlscacert CA_PATH Trust certs signed only by this CA --tlscert CLIENT_CERT_PATH Path to TLS certificate file --tlskey TLS_KEY_PATH Path to TLS key file --tlsverify Use TLS and verify the remote --skip-hostname-check Don't check the daemon's hostname against the name specified in the client certificate --project-directory PATH Specify an alternate working directory (default: the path of the Compose file) --compatibility If set, Compose will attempt to convert keys in v3 files to their non-Swarm equivalent --env-file PATH Specify an alternate environment file Commands: build Build or rebuild services config Validate and view the Compose file create Create services down Stop and remove containers, networks, images, and volumes events Receive real time events from containers exec Execute a command in a running container help Get help on a command images List images kill Kill containers logs View output from containers pause Pause services port Print the public port for a port binding ps List containers pull Pull service images push Push service images restart Restart services rm Remove stopped containers run Run a one-off command scale Set number of containers for a service start Start services stop Stop services top Display the running processes unpause Unpause services up Create and start containers version Show the Docker-Compose version information ``` ![image-20210216163255021](./image-20210216163255021.png) **检查版本：** ```powershell PS C:\> docker-compose version docker-compose version 1.26.2, build eefe0d31 docker-py version: 4.2.2 CPython version: 3.7.4 OpenSSL version: OpenSSL 1.1.1c 28 May 2019 ``` ![image-20210216163446907](./image-20210216163446907.png) ## Docker-compose初体验 参见[官网](https://docs.docker.com/compose/gettingstarted/) 。 一个简单的Python应用，使用到flask。 ### 准备工作 创建一个文件夹。 ```powershell PS C:\workspace\Docker> mkdir composetest PS C:\workspace\Docker> cd .\composetest\ PS C:\workspace\Docker\composetest> ``` 创建名为`app.py`的文件，并且粘贴这些内容： ```python import time import redis from flask import Flask app = Flask(__name__) cache = redis.Redis(host='redis', port=6379) def get_hit_count(): retries = 5 while True: try: return cache.incr('hits') except redis.exceptions.ConnectionError as exc: if retries == 0: raise exc retries -= 1 time.sleep(0.5) @app.route('/') def hello(): count = get_hit_count() return 'Hello World! I have been seen {} times.\n'.format(count) ``` 创建一个依赖文件`requirements.txt` ``` flask redis ``` ### 创建DockerFile 在目录下创建`dockerfile`。 ```dockerfile FROM python:3.7-alpine WORKDIR /code ENV FLASK_APP=app.py ENV FLASK_RUN_HOST=0.0.0.0 RUN apk add --no-cache gcc musl-dev linux-headers COPY requirements.txt requirements.txt RUN pip install -r requirements.txt EXPOSE 5000 COPY . . CMD ["flask", "run"] ``` > This tells Docker to: > > - Build an image starting with the Python 3.7 image. > - Set the working directory to `/code`. > - Set environment variables used by the `flask` command. > - Install gcc and other dependencies > - Copy `requirements.txt` and install the Python dependencies. > - Add metadata to the image to describe that the container is listening on port 5000 > - Copy the current directory `.` in the project to the work directory `.` in the image. > - Set the default command for the container to `flask run`. ### 在Compose文件中定义服务 创建`docker-compose.yml` 并粘贴一下内容： ```yaml version: "3.9" services: web: build: . ports: - "5000:5000" redis: image: "redis:alpine" ``` ### 使用Compose构建和运行应用 运行`docker-compose up` 。 ```powershell PS C:\workspace\Docker\composetest> docker-compose up Creating network "composetest_default" with the default driver Building web Step 1/10 : FROM python:3.7-alpine 3.7-alpine: Pulling from library/python 4c0d98bf9879: Pull complete 5e807dbff582: Pull complete 5c0d1f839dbc: Pull complete 4c078d76f332: Pull complete eb33935d7166: Pull complete Digest: sha256:78ac413ed94bd2ec0db2ab2879f95f57622d4c6e1cddf78ea639a7af531cdb1e Status: Downloaded newer image for python:3.7-alpine ---> fc9f1d71c77d Step 2/10 : WORKDIR /code ---> Running in 2ee4db468015 Removing intermediate container 2ee4db468015 ---> d672cb5718e4 Step 3/10 : ENV FLASK_APP=app.py ---> Running in 03cac0835b83 Removing intermediate container 03cac0835b83 ---> e9110d8e1650 Step 4/10 : ENV FLASK_RUN_HOST=0.0.0.0 ---> Running in 72514e7a06cf Removing intermediate container 72514e7a06cf ---> f3791d9cae5b Step 5/10 : RUN apk add --no-cache gcc musl-dev linux-headers ---> Running in e50c7936457d fetch https://dl-cdn.alpinelinux.org/alpine/v3.13/main/x86_64/APKINDEX.tar.gz fetch https://dl-cdn.alpinelinux.org/alpine/v3.13/community/x86_64/APKINDEX.tar.gz (1/13) Installing libgcc (10.2.1_pre1-r3) (2/13) Installing libstdc++ (10.2.1_pre1-r3) (3/13) Installing binutils (2.35.1-r1) (4/13) Installing libgomp (10.2.1_pre1-r3) (5/13) Installing libatomic (10.2.1_pre1-r3) (6/13) Installing libgphobos (10.2.1_pre1-r3) (7/13) Installing gmp (6.2.1-r0) (8/13) Installing isl22 (0.22-r0) (9/13) Installing mpfr4 (4.1.0-r0) (10/13) Installing mpc1 (1.2.0-r0) (11/13) Installing gcc (10.2.1_pre1-r3) (12/13) Installing linux-headers (5.7.8-r0) (13/13) Installing musl-dev (1.2.2-r0) Executing busybox-1.32.1-r2.trigger OK: 139 MiB in 48 packages Removing intermediate container e50c7936457d ---> 7e1cef4a7d35 Step 6/10 : COPY requirements.txt requirements.txt ---> 33787017e99e Step 7/10 : RUN pip install -r requirements.txt ---> Running in ffa2cb3c992e Collecting flask Downloading Flask-1.1.2-py2.py3-none-any.whl (94 kB) Collecting redis Downloading redis-3.5.3-py2.py3-none-any.whl (72 kB) Collecting Werkzeug>=0.15 Downloading Werkzeug-1.0.1-py2.py3-none-any.whl (298 kB) Collecting Jinja2>=2.10.1 Downloading Jinja2-2.11.3-py2.py3-none-any.whl (125 kB) Collecting itsdangerous>=0.24 Downloading itsdangerous-1.1.0-py2.py3-none-any.whl (16 kB) Collecting click>=5.1 Downloading click-7.1.2-py2.py3-none-any.whl (82 kB) Collecting MarkupSafe>=0.23 Downloading MarkupSafe-1.1.1.tar.gz (19 kB) Building wheels for collected packages: MarkupSafe Building wheel for MarkupSafe (setup.py): started Building wheel for MarkupSafe (setup.py): finished with status 'done' Created wheel for MarkupSafe: filename=MarkupSafe-1.1.1-cp37-cp37m-linux_x86_64.whl size=17026 sha256=28c7de04ceb1a600ed306afc53da582ffb533a34686516eba089d95830dbca4b Stored in directory: /root/.cache/pip/wheels/b9/d9/ae/63bf9056b0a22b13ade9f6b9e08187c1bb71c47ef21a8c9924 Successfully built MarkupSafe Installing collected packages: MarkupSafe, Werkzeug, Jinja2, itsdangerous, click, redis, flask Successfully installed Jinja2-2.11.3 MarkupSafe-1.1.1 Werkzeug-1.0.1 click-7.1.2 flask-1.1.2 itsdangerous-1.1.0 redis-3.5.3 Removing intermediate container ffa2cb3c992e ---> de30d2ed736a Step 8/10 : EXPOSE 5000 ---> Running in 0adc85f81a26 Removing intermediate container 0adc85f81a26 ---> 986aa8703a07 Step 9/10 : COPY . . ---> 47c2c04b2e4c Step 10/10 : CMD ["flask", "run"] ---> Running in f0e71f0c824f Removing intermediate container f0e71f0c824f ---> 6d16acf37823 Successfully built 6d16acf37823 Successfully tagged composetest_web:latest WARNING: Image for service web was built because it did not already exist. To rebuild this image you must use `docker-compose build` or `docker-compose up --build`. Pulling redis (redis:alpine)... alpine: Pulling from library/redis 4c0d98bf9879: Already exists cc1404096495: Pull complete 6ca68aee953e: Pull complete 5d65ae1c666f: Pull complete c8b085ca330a: Pull complete 054f304e4d13: Pull complete Digest: sha256:d2b1b0bf521f55381c81b1bc0218aec4ddc92fb545e9e8492e8ff324462eed58 Status: Downloaded newer image for redis:alpine Creating composetest_web_1 ... done Creating composetest_redis_1 ... done Attaching to composetest_redis_1, composetest_web_1 redis_1 | 1:C 16 Feb 2021 09:03:57.040 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo redis_1 | 1:C 16 Feb 2021 09:03:57.040 # Redis version=6.0.10, bits=64, commit=00000000, modified=0, pid=1, just started redis_1 | 1:C 16 Feb 2021 09:03:57.040 # Warning: no config file specified, using the default config. In order to specify a config file use redis-server /path/to/redis.conf redis_1 | 1:M 16 Feb 2021 09:03:57.041 * Running mode=standalone, port=6379. redis_1 | 1:M 16 Feb 2021 09:03:57.041 # Server initialized redis_1 | 1:M 16 Feb 2021 09:03:57.041 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect. redis_1 | 1:M 16 Feb 2021 09:03:57.041 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo madvise > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled (set to 'madvise' or 'never'). redis_1 | 1:M 16 Feb 2021 09:03:57.041 * Ready to accept connections web_1 | * Serving Flask app "app.py" web_1 | * Environment: production web_1 | WARNING: This is a development server. Do not use it in a production deployment. web_1 | Use a production WSGI server instead. web_1 | * Debug mode: off web_1 | * Running on http://0.0.0.0:5000/ (Press CTRL+C to quit) ``` 注意： ``` WARNING: Image for service web was built because it did not already exist. To rebuild this image you must use `docker-compose build` or `docker-compose up --build`. ``` 所以刚刚的步骤并不严谨，应该先执行`docker-compose build` 然后再执行`docker-compose up` 停止的方法：`docker-compose down`或者`Ctrl+C`。 ![image-20210216175152051](./image-20210216175152051.png) ### 一些解释 1. 应用`app.py`。 2. Dockerfile 应用打包为镜像。 3. Docker-compose yaml文件，完整的上线服务。 4. 启动Compose项目（docker-compose up） 流程： 1. 创建网络 2. 执行yaml文件 3. 启动服务 ``` Creating composetest_web_1 ... done Creating composetest_redis_1 ... done ``` `docker images` ```powershell PS C:\workspace\Docker\composetest> docker images REPOSITORY TAG IMAGE ID CREATED SIZE composetest_web latest 6d16acf37823 18 minutes ago 182MB python 3.7-alpine fc9f1d71c77d 12 days ago 41.6MB redis alpine 18e4b21eb324 2 weeks ago 31.3MB ubuntu latest f63181f19b2f 3 weeks ago 72.9MB ``` 用Compose自动创建了这些镜像。 `docker ps` ```powershell PS C:\workspace\Docker\composetest> docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 986ffd99f6b1 redis:alpine "docker-entrypoint.s…" 17 seconds ago Exited (0) 14 seconds ago composetest_redis_1 eddfcef1b0f7 composetest_web "flask run" 17 seconds ago Exited (137) 4 seconds ago composetest_web_1 ``` `docker service ls` ```powershell PS C:\workspace\Docker\composetest> docker service ls Error response from daemon: This node is not a swarm manager. Use "docker swarm init" or "docker swarm join" to connect this node to swarm and try again. ``` 这个命令请听下回分解。 默认服务名：文件名\_服务名\_num 为什么要有\_num呢？_num表示副本数量，因为项目通常是跑在多个服务器上，组成集群。所以一个服务可能在不同服务器上有多个副本，加上num以区分。 比如：部署redis服务，可能需要多个副本。未来集群状态下需要使用，服务不可能只有一个运行实例。作用：*弹性、高并发* ```powershell PS C:\workspace\Docker\composetest> docker network ls NETWORK ID NAME DRIVER SCOPE e51341c7ea29 bridge bridge local 17b90c637f1c composetest_default bridge local b68689a26580 host host local 0f425d7fa7f0 none null local ``` 如果启动多个服务，则项目中的内容都在同个网络下，可以通过域名访问。 查看网络详细信息： ```powershell PS C:\workspace\Docker\composetest> docker network inspect composetest_default [ { "Name": "composetest_default", "Id": "17b90c637f1c58f7222b27698bb496ad88460e1f9e99b2c0a519d217372c40c4", "Created": "2021-02-16T09:00:35.2380161Z", "Scope": "local", "Driver": "bridge", "EnableIPv6": false, "IPAM": { "Driver": "default", "Options": null, "Config": [ { "Subnet": "172.18.0.0/16", "Gateway": "172.18.0.1" } ] }, "Internal": false, "Attachable": true, "Ingress": false, "ConfigFrom": { "Network": "" }, "ConfigOnly": false, "Containers": { "986ffd99f6b14369243dad41341f5a09a8917c90f23fef0786dca12a700627f2": { "Name": "composetest_redis_1", "EndpointID": "62b8db431ccbfeca7d5bddeb6df198dd908ec2fdb56088426065bc2c2d499f4a", "MacAddress": "02:42:ac:12:00:03", "IPv4Address": "172.18.0.3/16", "IPv6Address": "" }, "eddfcef1b0f72d22a60275ec99ddca6c79120a503f43ee6126a38c1a6902cb92": { "Name": "composetest_web_1", "EndpointID": "a1f19b923fdf01c982e41088c8d217be28e54ba5e52c15b5351a5e917ee932fd", "MacAddress": "02:42:ac:12:00:02", "IPv4Address": "172.18.0.2/16", "IPv6Address": "" } }, "Options": {}, "Labels": { "com.docker.compose.network": "default", "com.docker.compose.project": "composetest", "com.docker.compose.version": "1.26.2" } } ] ``` 可以看到 ```json "Containers": { "986ffd99f6b14369243dad41341f5a09a8917c90f23fef0786dca12a700627f2": { "Name": "composetest_redis_1", "EndpointID": "62b8db431ccbfeca7d5bddeb6df198dd908ec2fdb56088426065bc2c2d499f4a", "MacAddress": "02:42:ac:12:00:03", "IPv4Address": "172.18.0.3/16", "IPv6Address": "" }, "eddfcef1b0f72d22a60275ec99ddca6c79120a503f43ee6126a38c1a6902cb92": { "Name": "composetest_web_1", "EndpointID": "a1f19b923fdf01c982e41088c8d217be28e54ba5e52c15b5351a5e917ee932fd", "MacAddress": "02:42:ac:12:00:02", "IPv4Address": "172.18.0.2/16", "IPv6Address": "" ``` 如果在同一个网络下，可以用域名访问。还记得我们的`app.py`吗？ > cache = redis.Redis(host='redis', port=6379) 可以看到host没有写成具体的IP，而是使用域名访问。这样如果redis服务挂了，可以再启动一个，虽然IP不同，但是域名是相同的，就不会影响到web服务。 ### 小结 1. Docker镜像。run => 容器 2. DockerFile构建镜像（**服务**打包） 3. docker-compose启动**项目**（编排、多个微服务、环境） 4. docker网络 ## Compose配置（yaml）编写规则 `docker-compose.yaml` 核心 [官方参考](https://docs.docker.com/compose/compose-file/compose-file-v3/) ```yaml # 有且只有3层 # 版本、服务、其他配置 version:'' # 版本 services: 服务1: web # 服务 #服务配置 images build network ... 服务2: redis # 其他配置：网络、卷、全局规则 volumes: networks: configs: ``` ### 部分服务配置选项 **depends_on**：依赖（启动顺序） ![image-20210216180852515](./image-20210216180852515.png) **deploy**：部署，集群相关。 ![image-20210216181109650](./image-20210216181109650.png) **expose**：暴露端口 ![image-20210216181253793](./image-20210216181253793.png) **image**：镜像 ![image-20210216181424924](./image-20210216181424924.png) ## 使用Compose一键部署WP博客 ### 定义项目 创建一个文件夹 ```powershell PS C:\workspace\Docker> mkdir my_wordpress PS C:\workspace\Docker> cd my_wordpress ``` 创建`docker-compose.yml` > 可以使用.yml和.yaml作为扩展名，都可用。 粘贴以下内容： ```yaml version: '3.3' # 版本 services: # 两个服务，wordpress和db db: image: mysql:5.7 volumes: # 挂载卷 - db_data:/var/lib/mysql restart: always # 总是重启（？） environment: # 环境变量 MYSQL_ROOT_PASSWORD: somewordpress MYSQL_DATABASE: wordpress MYSQL_USER: wordpress MYSQL_PASSWORD: wordpress wordpress: depends_on: # 先启动db，再启动wordpress - db image: wordpress:latest ports: - "8000:80" restart: always environment: WORDPRESS_DB_HOST: db:3306 WORDPRESS_DB_USER: wordpress WORDPRESS_DB_PASSWORD: wordpress WORDPRESS_DB_NAME: wordpress volumes: db_data: {} ``` ### 建立项目 启动： `docker-compose up` ```powershell PS C:\workspace\Docker\my_wordpress> docker-compose up my_wordpress_db_1 is up-to-date Recreating my_wordpress_wordpress_1 ... done Attaching to my_wordpress_db_1, my_wordpress_wordpress_1 wordpress_1 | WordPress not found in /var/www/html - copying now... db_1 | 2021-02-16 10:26:19+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 5.7.33-1debian10 started. db_1 | 2021-02-16 10:26:19+00:00 [Note] [Entrypoint]: Switching to dedicated user 'mysql' db_1 | 2021-02-16 10:26:19+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 5.7.33-1debian10 started. db_1 | 2021-02-16 10:26:19+00:00 [Note] [Entrypoint]: Initializing database files db_1 | 2021-02-16T10:26:19.182967Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). db_1 | 2021-02-16T10:26:19.360897Z 0 [Warning] InnoDB: New log files created, LSN=45790 db_1 | 2021-02-16T10:26:19.411452Z 0 [Warning] InnoDB: Creating foreign key constraint system tables. db_1 | 2021-02-16T10:26:19.424573Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 688de008-7041-11eb-8641-0242ac130002. db_1 | 2021-02-16T10:26:19.428337Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened. db_1 | 2021-02-16T10:26:20.385482Z 0 [Warning] CA certificate ca.pem is self signed. db_1 | 2021-02-16T10:26:20.607625Z 1 [Warning] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option. db_1 | 2021-02-16 10:26:24+00:00 [Note] [Entrypoint]: Database files initialized db_1 | 2021-02-16 10:26:24+00:00 [Note] [Entrypoint]: Starting temporary server db_1 | 2021-02-16 10:26:24+00:00 [Note] [Entrypoint]: Waiting for server startup db_1 | 2021-02-16T10:26:24.371446Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). db_1 | 2021-02-16T10:26:24.372434Z 0 [Note] mysqld (mysqld 5.7.33) starting as process 78 ... db_1 | 2021-02-16T10:26:24.376067Z 0 [Note] InnoDB: PUNCH HOLE support available db_1 | 2021-02-16T10:26:24.376098Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins db_1 | 2021-02-16T10:26:24.376102Z 0 [Note] InnoDB: Uses event mutexes db_1 | 2021-02-16T10:26:24.376105Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier db_1 | 2021-02-16T10:26:24.376107Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.11 db_1 | 2021-02-16T10:26:24.376109Z 0 [Note] InnoDB: Using Linux native AIO db_1 | 2021-02-16T10:26:24.376304Z 0 [Note] InnoDB: Number of pools: 1 db_1 | 2021-02-16T10:26:24.376372Z 0 [Note] InnoDB: Using CPU crc32 instructions db_1 | 2021-02-16T10:26:24.378183Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M db_1 | 2021-02-16T10:26:24.388068Z 0 [Note] InnoDB: Completed initialization of buffer pool db_1 | 2021-02-16T10:26:24.391007Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority(). db_1 | 2021-02-16T10:26:24.403193Z 0 [Note] InnoDB: Highest supported file format is Barracuda. db_1 | 2021-02-16T10:26:24.418151Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables db_1 | 2021-02-16T10:26:24.418240Z 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ... db_1 | 2021-02-16T10:26:24.433871Z 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB. db_1 | 2021-02-16T10:26:24.434343Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active. db_1 | 2021-02-16T10:26:24.434368Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active. db_1 | 2021-02-16T10:26:24.435624Z 0 [Note] InnoDB: 5.7.33 started; log sequence number 2746831 db_1 | 2021-02-16T10:26:24.436742Z 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool db_1 | 2021-02-16T10:26:24.436787Z 0 [Note] Plugin 'FEDERATED' is disabled. db_1 | 2021-02-16T10:26:24.438249Z 0 [Note] InnoDB: Buffer pool(s) load completed at 210216 10:26:24 db_1 | 2021-02-16T10:26:24.443738Z 0 [Note] Found ca.pem, server-cert.pem and server-key.pem in data directory. Trying to enable SSL support using them. db_1 | 2021-02-16T10:26:24.443773Z 0 [Note] Skipping generation of SSL certificates as certificate files are present in data directory. db_1 | 2021-02-16T10:26:24.444238Z 0 [Warning] CA certificate ca.pem is self signed. db_1 | 2021-02-16T10:26:24.444276Z 0 [Note] Skipping generation of RSA key pair as key files are present in data directory. db_1 | 2021-02-16T10:26:24.448269Z 0 [Warning] Insecure configuration for --pid-file: Location '/var/run/mysqld' in the path is accessible to all OS users. Consider choosing a different directory. db_1 | 2021-02-16T10:26:24.455171Z 0 [Note] Event Scheduler: Loaded 0 events db_1 | 2021-02-16T10:26:24.455425Z 0 [Note] mysqld: ready for connections. db_1 | Version: '5.7.33' socket: '/var/run/mysqld/mysqld.sock' port: 0 MySQL Community Server (GPL) db_1 | 2021-02-16 10:26:25+00:00 [Note] [Entrypoint]: Temporary server started. db_1 | Warning: Unable to load '/usr/share/zoneinfo/iso3166.tab' as time zone. Skipping it. db_1 | Warning: Unable to load '/usr/share/zoneinfo/leap-seconds.list' as time zone. Skipping it. db_1 | Warning: Unable to load '/usr/share/zoneinfo/zone.tab' as time zone. Skipping it. db_1 | Warning: Unable to load '/usr/share/zoneinfo/zone1970.tab' as time zone. Skipping it. db_1 | 2021-02-16 10:26:27+00:00 [Note] [Entrypoint]: Creating database wordpress db_1 | 2021-02-16 10:26:27+00:00 [Note] [Entrypoint]: Creating user wordpress db_1 | 2021-02-16 10:26:27+00:00 [Note] [Entrypoint]: Giving user wordpress access to schema wordpress db_1 | db_1 | 2021-02-16 10:26:27+00:00 [Note] [Entrypoint]: Stopping temporary server db_1 | 2021-02-16T10:26:27.857110Z 0 [Note] Giving 0 client threads a chance to die gracefully db_1 | 2021-02-16T10:26:27.857156Z 0 [Note] Shutting down slave threads db_1 | 2021-02-16T10:26:27.857162Z 0 [Note] Forcefully disconnecting 0 remaining clients db_1 | 2021-02-16T10:26:27.857168Z 0 [Note] Event Scheduler: Purging the queue. 0 events db_1 | 2021-02-16T10:26:27.857234Z 0 [Note] Binlog end db_1 | 2021-02-16T10:26:27.857713Z 0 [Note] Shutting down plugin 'ngram' db_1 | 2021-02-16T10:26:27.857745Z 0 [Note] Shutting down plugin 'partition' db_1 | 2021-02-16T10:26:27.857751Z 0 [Note] Shutting down plugin 'BLACKHOLE' db_1 | 2021-02-16T10:26:27.857755Z 0 [Note] Shutting down plugin 'ARCHIVE' db_1 | 2021-02-16T10:26:27.857757Z 0 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA' db_1 | 2021-02-16T10:26:27.857780Z 0 [Note] Shutting down plugin 'MRG_MYISAM' db_1 | 2021-02-16T10:26:27.857783Z 0 [Note] Shutting down plugin 'MyISAM' db_1 | 2021-02-16T10:26:27.857790Z 0 [Note] Shutting down plugin 'INNODB_SYS_VIRTUAL' db_1 | 2021-02-16T10:26:27.857793Z 0 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES' db_1 | 2021-02-16T10:26:27.857796Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES' db_1 | 2021-02-16T10:26:27.857798Z 0 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS' db_1 | 2021-02-16T10:26:27.857800Z 0 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN' db_1 | 2021-02-16T10:26:27.857802Z 0 [Note] Shutting down plugin 'INNODB_SYS_FIELDS' db_1 | 2021-02-16T10:26:27.857804Z 0 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS' db_1 | 2021-02-16T10:26:27.857807Z 0 [Note] Shutting down plugin 'INNODB_SYS_INDEXES' db_1 | 2021-02-16T10:26:27.857809Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS' db_1 | 2021-02-16T10:26:27.857811Z 0 [Note] Shutting down plugin 'INNODB_SYS_TABLES' db_1 | 2021-02-16T10:26:27.857813Z 0 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE' db_1 | 2021-02-16T10:26:27.857816Z 0 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE' db_1 | 2021-02-16T10:26:27.857818Z 0 [Note] Shutting down plugin 'INNODB_FT_CONFIG' db_1 | 2021-02-16T10:26:27.857820Z 0 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED' db_1 | 2021-02-16T10:26:27.857823Z 0 [Note] Shutting down plugin 'INNODB_FT_DELETED' db_1 | 2021-02-16T10:26:27.857825Z 0 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD' db_1 | 2021-02-16T10:26:27.857827Z 0 [Note] Shutting down plugin 'INNODB_METRICS' db_1 | 2021-02-16T10:26:27.857829Z 0 [Note] Shutting down plugin 'INNODB_TEMP_TABLE_INFO' db_1 | 2021-02-16T10:26:27.857832Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS' db_1 | 2021-02-16T10:26:27.857834Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU' db_1 | 2021-02-16T10:26:27.857836Z 0 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE' db_1 | 2021-02-16T10:26:27.857839Z 0 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET' db_1 | 2021-02-16T10:26:27.857841Z 0 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX' db_1 | 2021-02-16T10:26:27.857843Z 0 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET' db_1 | 2021-02-16T10:26:27.857846Z 0 [Note] Shutting down plugin 'INNODB_CMPMEM' db_1 | 2021-02-16T10:26:27.857848Z 0 [Note] Shutting down plugin 'INNODB_CMP_RESET' db_1 | 2021-02-16T10:26:27.857850Z 0 [Note] Shutting down plugin 'INNODB_CMP' db_1 | 2021-02-16T10:26:27.857853Z 0 [Note] Shutting down plugin 'INNODB_LOCK_WAITS' db_1 | 2021-02-16T10:26:27.857855Z 0 [Note] Shutting down plugin 'INNODB_LOCKS' db_1 | 2021-02-16T10:26:27.857858Z 0 [Note] Shutting down plugin 'INNODB_TRX' db_1 | 2021-02-16T10:26:27.857860Z 0 [Note] Shutting down plugin 'InnoDB' db_1 | 2021-02-16T10:26:27.857996Z 0 [Note] InnoDB: FTS optimize thread exiting. db_1 | 2021-02-16T10:26:27.858230Z 0 [Note] InnoDB: Starting shutdown... db_1 | 2021-02-16T10:26:27.958547Z 0 [Note] InnoDB: Dumping buffer pool(s) to /var/lib/mysql/ib_buffer_pool db_1 | 2021-02-16T10:26:27.958831Z 0 [Note] InnoDB: Buffer pool(s) dump completed at 210216 10:26:27 db_1 | 2021-02-16T10:26:29.485919Z 0 [Note] InnoDB: Shutdown completed; log sequence number 12664279 db_1 | 2021-02-16T10:26:29.486978Z 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1" db_1 | 2021-02-16T10:26:29.487025Z 0 [Note] Shutting down plugin 'MEMORY' db_1 | 2021-02-16T10:26:29.487030Z 0 [Note] Shutting down plugin 'CSV' db_1 | 2021-02-16T10:26:29.487034Z 0 [Note] Shutting down plugin 'sha256_password' db_1 | 2021-02-16T10:26:29.487036Z 0 [Note] Shutting down plugin 'mysql_native_password' db_1 | 2021-02-16T10:26:29.487125Z 0 [Note] Shutting down plugin 'binlog' db_1 | 2021-02-16T10:26:29.487509Z 0 [Note] mysqld: Shutdown complete db_1 | db_1 | 2021-02-16 10:26:29+00:00 [Note] [Entrypoint]: Temporary server stopped db_1 | db_1 | 2021-02-16 10:26:29+00:00 [Note] [Entrypoint]: MySQL init process done. Ready for start up. db_1 | db_1 | 2021-02-16T10:26:30.017996Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). db_1 | 2021-02-16T10:26:30.019197Z 0 [Note] mysqld (mysqld 5.7.33) starting as process 1 ... db_1 | 2021-02-16T10:26:30.022105Z 0 [Note] InnoDB: PUNCH HOLE support available db_1 | 2021-02-16T10:26:30.022140Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins db_1 | 2021-02-16T10:26:30.022145Z 0 [Note] InnoDB: Uses event mutexes db_1 | 2021-02-16T10:26:30.022148Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier db_1 | 2021-02-16T10:26:30.022150Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.11 db_1 | 2021-02-16T10:26:30.022152Z 0 [Note] InnoDB: Using Linux native AIO db_1 | 2021-02-16T10:26:30.022354Z 0 [Note] InnoDB: Number of pools: 1 db_1 | 2021-02-16T10:26:30.022459Z 0 [Note] InnoDB: Using CPU crc32 instructions db_1 | 2021-02-16T10:26:30.023679Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M db_1 | 2021-02-16T10:26:30.031595Z 0 [Note] InnoDB: Completed initialization of buffer pool db_1 | 2021-02-16T10:26:30.033460Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority(). db_1 | 2021-02-16T10:26:30.044681Z 0 [Note] InnoDB: Highest supported file format is Barracuda. db_1 | 2021-02-16T10:26:30.056575Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables db_1 | 2021-02-16T10:26:30.056649Z 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ... db_1 | 2021-02-16T10:26:30.068761Z 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB. db_1 | 2021-02-16T10:26:30.069356Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active. db_1 | 2021-02-16T10:26:30.069387Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active. db_1 | 2021-02-16T10:26:30.069963Z 0 [Note] InnoDB: 5.7.33 started; log sequence number 12664279 db_1 | 2021-02-16T10:26:30.070278Z 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool db_1 | 2021-02-16T10:26:30.070421Z 0 [Note] Plugin 'FEDERATED' is disabled. db_1 | 2021-02-16T10:26:30.072460Z 0 [Note] InnoDB: Buffer pool(s) load completed at 210216 10:26:30 db_1 | 2021-02-16T10:26:30.074498Z 0 [Note] Found ca.pem, server-cert.pem and server-key.pem in data directory. Trying to enable SSL support using them. db_1 | 2021-02-16T10:26:30.074536Z 0 [Note] Skipping generation of SSL certificates as certificate files are present in data directory. db_1 | 2021-02-16T10:26:30.075061Z 0 [Warning] CA certificate ca.pem is self signed. db_1 | 2021-02-16T10:26:30.075101Z 0 [Note] Skipping generation of RSA key pair as key files are present in data directory. db_1 | 2021-02-16T10:26:30.075588Z 0 [Note] Server hostname (bind-address): '*'; port: 3306 db_1 | 2021-02-16T10:26:30.075645Z 0 [Note] IPv6 is available. db_1 | 2021-02-16T10:26:30.075654Z 0 [Note] - '::' resolves to '::'; db_1 | 2021-02-16T10:26:30.075666Z 0 [Note] Server socket created on IP: '::'. db_1 | 2021-02-16T10:26:30.079265Z 0 [Warning] Insecure configuration for --pid-file: Location '/var/run/mysqld' in the path is accessible to all OS users. Consider choosing a different directory. db_1 | 2021-02-16T10:26:30.088971Z 0 [Note] Event Scheduler: Loaded 0 events db_1 | 2021-02-16T10:26:30.089239Z 0 [Note] mysqld: ready for connections. db_1 | Version: '5.7.33' socket: '/var/run/mysqld/mysqld.sock' port: 3306 MySQL Community Server (GPL) wordpress_1 | Complete! WordPress has been successfully copied to /var/www/html wordpress_1 | AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.19.0.3. Set the 'ServerName' directive globally to suppress this message wordpress_1 | AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.19.0.3. Set the 'ServerName' directive globally to suppress this message wordpress_1 | [Tue Feb 16 10:36:41.428025 2021] [mpm_prefork:notice] [pid 1] AH00163: Apache/2.4.38 (Debian) PHP/7.4.15 configured -- resuming normal operations wordpress_1 | [Tue Feb 16 10:36:41.428083 2021] [core:notice] [pid 1] AH00094: Command line: 'apache2 -D FOREGROUND' ``` 后台启动： `docker-compose up -d` ```powershell PS C:\workspace\Docker\my_wordpress> docker-compose up -d Starting my_wordpress_db_1 ... done Starting my_wordpress_wordpress_1 ... done ``` ![image-20210216184451724](./image-20210216184451724.png) ### 总结 1. 下载项目（`docker-compose.yml`） 2. 如果需要文件，dockerfile。 3. 文件准备齐全，一键启动项目。 **一切都很简单** ## 实战 *需要有Java和spring boot基础* 没做，因为既不会Java也不会spring boot，这里有[视频链接](https://www.bilibili.com/video/BV1kv411q7Qc?p=7)。