在Docker中运行一个微服务

一 在windows中使用maven构建microservice-discovery-eureka可运行的jar包 C:\WINDOWS\system32>cd F:\springcloud\temp\microservice-discovery-eureka C:\WINDOWS\system32>f: F:\springcloud\temp\microservice-discovery-eureka>mvn clean package 在F:\springcloud\temp\microservice-discovery-eureka\target目录生成文件microservice-discovery-eureka-0.0.1-SNAPSHOT.jar 二 将microservice-discovery-eureka-0.0.1-SNAPSHOT.jar拷贝到Linux环境 [root@master eureka]# ll total 40952 -rw-r--r-- 1 root root 41929619 Jul 7 14:29 microservice-discovery-eureka-0.0.1-SNAPSHOT.jar 三 在microservice-discovery-eureka-0.0.1-SNAPSHOT.jar所在的目录创建Dockerfile文件，内容如下 FROM java:8 VOLUME /tmp ADD microservice-discovery-eureka-0.0.1-SNAPSHOT.jar app.jar RUN bash -c 'touch /app.jar' EXPOSE 8761 ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"] 四 使用docker build命令构建镜像 [root@master eureka]# docker build -t cakin24/microservice-discovery-eureka-0.0.1 . Sending build context to Docker daemon 41.93MB Step 1/6 : FROM java:8 8: Pulling from library/java 5040bd298390: Already exists fce5728aad85: Already exists 76610ec20bf5: Already exists 60170fec2151: Already exists e98f73de8f0d: Already exists 11f7af24ed9c: Already exists 49e2d6393f32: Already exists bb9cdec9c7f3: Already exists Digest: sha256:34959eed5df6bfe74a17fbf459ed29505d51a48d5cb4a39f215b613c65b8023b Status: Downloaded newer image for java:8 ---> d23bdf5b1b1b Step 2/6 : VOLUME /tmp ---> Running in 4785be48986a Removing intermediate container 4785be48986a ---> 86fe99594982 Step 3/6 : ADD microservice-discovery-eureka-0.0.1-SNAPSHOT.jar app.jar ---> c83cc2d01b55 Step 4/6 : RUN bash -c 'touch /app.jar' ---> Running in aa3d36c5e94b Removing intermediate container aa3d36c5e94b ---> f327c892e271 Step 5/6 : EXPOSE 8761 ---> Running in 801588962e36 Removing intermediate container 801588962e36 ---> 12286992db9e Step 6/6 : ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"] ---> Running in ebf934454742 Removing intermediate container ebf934454742 ---> c635cec1377e Successfully built c635cec1377e Successfully tagged cakin24/microservice-discovery-eureka-0.0.1:latest 五 测试 1 启动镜像 [root@master eureka]# docker run -d -p 8761:8761 cakin24/microservice-discovery-eureka-0.0.1 465d4505708fd374bb90b6d6957bb398c42dba8f6d445de9aaef27b076d75377 2 访问http://192.168.0.102:8761/ 六 推动镜像到Docker Hub [root@master eureka]# docker push cakin24/microservice-discovery-eureka-0.0.1 The push refers to repository [docker.io/cakin24/microservice-discovery-eureka-0.0.1] eba923816d0c: Pushed 2fef467bbf84: Pushed 35c20f26d188: Mounted from library/java c3fe59dd9556: Mounted from library/java 6ed1a81ba5b6: Mounted from library/java a3483ce177ce: Mounted from library/java ce6c8756685b: Mounted from library/java 30339f20ced0: Mounted from library/java 0eb22bfb707d: Mounted from library/java a2ae92ffcd29: Mounted from library/java latest: digest: sha256:5e9bb41ca606fe6a6bdfd3b7e871ee67d6438583febb0fc233b29ceccbd559fe size: 2424