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1. 配置文件

version: '3.8'
services:docker-test:image: openjdk:8-jdk-alpineports:- "${APP_PORT}:${CONTAINER_PORT}"volumes:- "${JAR_PATH}:/app/docker-test.jar"- "${APPLICATION_YML}:/app/config/application.yml"- "${APPLICATION_DEV_YML}:/app/config/application-dev.yml"- "${APPLICATION_PROD_YML}:/app/config/application-prod.yml"- "${LOGS_PATH}:/app/logs"environment:- SPRING_PROFILES_ACTIVE=${SPRING_PROFILES_ACTIVE}command: >sh -c "java -jar /app/docker-test.jar > /app/logs/log.out 2>&1"restart: always

# env文件
# 配置文件路径
CONFIG_PATH=./# 应用程序配置文件
APPLICATION_YML=${CONFIG_PATH}/application.yml
APPLICATION_DEV_YML=${CONFIG_PATH}/application-dev.yml
APPLICATION_PROD_YML=${CONFIG_PATH}/application-prod.yml# Spring Profile (可以是 dev、prod 或其他配置)
SPRING_PROFILES_ACTIVE=dev# 端口映射
APP_PORT=1888
CONTAINER_PORT=9898
JAR_PATH=./docker-test-0.0.1-SNAPSHOT.jar
LOGS_PATH=./logs

2. 启动命令

(base) ➜  docker-project docker-compose up -d
WARN[0000] /Users/fanzhen/Documents/docker-project/docker-compose.yml: the attribute `version` is obsolete, it will be ignored, please remove it to avoid potential confusion
[+] Running 4/4✔ docker-test Pulled                                                                                                                                                        31.7s✔ 0362ad1dd800 Pull complete                                                                                                                                               3.3s✔ 571218f61883 Pull complete                                                                                                                                               3.4s✔ abe576d65b4c Pull complete                                                                                                                                              20.7s
[+] Running 2/2✔ Network docker-project_default          Created                                                                                                                            0.0s✔ Container docker-project-docker-test-1  Started

(base) ➜  docker-project docker-compose ps
NAME                           IMAGE                  COMMAND                   SERVICE       CREATED         STATUS         PORTS
docker-project-docker-test-1   openjdk:8-jdk-alpine   "sh -c 'java -jar /a…"   docker-test   8 minutes ago   Up 8 minutes   0.0.0.0:1888->8989/tcp

(base) ➜  ~ docker images
REPOSITORY   TAG            IMAGE ID       CREATED       SIZE
openjdk      8-jdk-alpine   e4105db9d469   5 years ago   103MB(base) ➜  ~ docker ps
CONTAINER ID   IMAGE                  COMMAND                   CREATED          STATUS          PORTS                    NAMES
8ac0558be7c9   openjdk:8-jdk-alpine   "sh -c 'java -jar /a…"   11 minutes ago   Up 11 minutes   0.0.0.0:1888->8989/tcp   docker-project-docker-test-1

查看容器内容

(base) ➜  ~ docker exec -it docker-project-docker-test-1 /bin/sh
/app # pwd
/app
/app # ls

# 宿主机内安装curl
apk add --no-cache curl/ # curl -L -X GET 'http://0.0.0.0:9898/api/v1/heart-beat' \
>
prod
/ #

切换不同环境

(base) ➜  docker-project docker-compose stop docker-test
[+] Stopping 1/0✔ Container docker-project-docker-test-1  Stopped                                                         0.1s(base) ➜  docker-project SPRING_PROFILES_ACTIVE=prod docker-compose up -d docker-test
[+] Running 1/1✔ Container docker-project-docker-test-1  Started

注意挂载的文件权限要777

# 在容器内检查挂载的文件确保它确实链接到了你期望的宿主机文件：
(base) ➜  docker-project docker exec -it docker-project-docker-test-1 cat /app/config/application-dev.ymlspring:application:name: docker-testserver:port: 9898address: 0.0.0.0env: devasdasd