//顯示所有容器 一個容器只管理一個服務 即使容器掛掉也不會影響其他容器的服務 做到業務之間不影響
root@river-NUC8i7HNK:/# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e8cfcbe6a280 etl-online:1.0 "java -Djava.securit…" About an hour ago Up About an hour 0.0.0.0:8070->8070/tcp etl-online_etl-online_1 377db9b29f0f web:3.0 "java -Djava.securit…" 11 days ago Up 11 days 0.0.0.0:30003->30003/tcp web_power_1 cf44fc608372 power:2.0 "java -Djava.securit…" 11 days ago Up 11 days 0.0.0.0:8000->30001/tcp power_power_1 4f951b13e170 etl:2.0 "java -Djava.securit…" 2 weeks ago Up 2 weeks 0.0.0.0:8090->8090/tcp etl_power_1 524d7d7ae738 redis:4 "docker-entrypoint.s…" 4 weeks ago Up 4 weeks 0.0.0.0:6379->6379/tcp redis_redis_1 //停止id為e8的服務
root@river-NUC8i7HNK:/# docker stop e8 e8
//顯示所有容器 (包括已停止 和 正在運行的 所有容器)
//可以看到剛剛停掉的容器e8依然在 root@river-NUC8i7HNK:/# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e8cfcbe6a280 etl-online:1.0 "java -Djava.securit…" About an hour ago Exited (143) 35 seconds ago etl-online_etl-online_1 377db9b29f0f web:3.0 "java -Djava.securit…" 11 days ago Up 11 days 0.0.0.0:30003->30003/tcp web_power_1 cf44fc608372 power:2.0 "java -Djava.securit…" 11 days ago Up 11 days 0.0.0.0:8000->30001/tcp power_power_1 ac631c839c3f web:2.0 "java -Djava.securit…" 13 days ago Exited (143) 11 days ago stoic_brahmagupta 4f951b13e170 etl:2.0 "java -Djava.securit…" 2 weeks ago Up 2 weeks 0.0.0.0:8090->8090/tcp etl_power_1 524d7d7ae738 redis:4 "docker-entrypoint.s…" 4 weeks ago Up 4 weeks 0.0.0.0:6379->6379/tcp redis_redis_1 //刪掉容器 e8
root@river-NUC8i7HNK:/# docker rm e8 e8
//顯示所有容器 剛剛被刪掉的e8容器已經不在 root@river-NUC8i7HNK:/# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 377db9b29f0f web:3.0 "java -Djava.securit…" 11 days ago Up 11 days 0.0.0.0:30003->30003/tcp web_power_1 cf44fc608372 power:2.0 "java -Djava.securit…" 11 days ago Up 11 days 0.0.0.0:8000->30001/tcp power_power_1 ac631c839c3f web:2.0 "java -Djava.securit…" 13 days ago Exited (143) 11 days ago stoic_brahmagupta 4f951b13e170 etl:2.0 "java -Djava.securit…" 2 weeks ago Up 2 weeks 0.0.0.0:8090->8090/tcp etl_power_1 524d7d7ae738 redis:4 "docker-entrypoint.s…" 4 weeks ago Up 4 weeks 0.0.0.0:6379->6379/tcp redis_redis_1 //顯示所有鏡像
root@river-NUC8i7HNK:/# docker images REPOSITORY TAG IMAGE ID CREATED SIZE etl-online 1.0 ea5d3b622b9a About an hour ago 129MB web 3.0 827e32b2d8d0 11 days ago 148MB power 2.0 e724aa1ca532 11 days ago 144MB web 2.0 f92b3295b202 13 days ago 148MB etl 2.0 af8defc8f406 2 weeks ago 142MB redis 4 29c39fa179d6 8 weeks ago 89.2MB openjdk 8-jdk-alpine a3562aa0b991 5 months ago 105MB //刪除 鏡像名為ea的鏡像
root@river-NUC8i7HNK:/# docker rmi ea Untagged: etl-online:1.0 Deleted: sha256:ea5d3b622b9a5c8e2a5dfaf1bf7d80b8dcd57276cc60f7ee43e8ef59b9473d5f Deleted: sha256:d5c6bc729e27c1a880841e1fea67cff7afaced7c6dea0f91a40ead7498063ae7 Deleted: sha256:e07da659170a89263aa49421bfae3a650e37e07fc5ab075929a2b93dbb1a0a80 Deleted: sha256:27943a63846ab43d150b7b1a3ce65214863cf317cf1e54a019de1ee393553412 Deleted: sha256:fc0e8cde49b25fdc8d4c3b650aa122ad2383ad7f91bc3845357c38e496e7cedc Deleted: sha256:99e6f0a38f9e9f9c57aa74d811232b620815b4ccfe7870be3088ae2ad469a3a0 root@river-NUC8i7HNK:/#
上述過程為 停止服務 停止服務前 要先刪容器 再刪鏡像
下述過程為 上傳jar包 在docker中啟動該服務(jar包)
//rz 上傳jar包到此處 查看如下 etl-online-2.0-SNAPSHOT.jar
root@river-NUC8i7HNK:/package/etl-online# ll 總用量 24064 drwxr-xr-x 2 root root 4096 10月 10 17:24 ./ drwxr-xr-x 3 root root 4096 10月 10 16:22 ../ -rw-r--r-- 1 root root 249 10月 10 16:25 docker-compose.yml -rw-r--r-- 1 root root 264 10月 10 16:24 Dockerfile -rw-r--r-- 1 root root 24622035 10月 10 17:19 etl-online-2.0-SNAPSHOT.jar
//一鍵啟動命令 docker-compose up -d (先生成鏡像再生成容器)
root@river-NUC8i7HNK:/package/etl-online# docker-compose up -d
//下面為啟動成功的日志 Building etl-online Step 1/6 : FROM openjdk:8-jdk-alpine ---> a3562aa0b991 Step 2/6 : VOLUME /tmp ---> Using cache ---> 8357f856edc2 Step 3/6 : ADD etl-online-2.0-SNAPSHOT.jar app.jar ---> 8f2af2b3e46a Step 4/6 : ENTRYPOINT ["java","-Djava.security.egd=fele:/dev/./urandom","-jar","/app.jar"] ---> Running in 61869b4bc3d3 Removing intermediate container 61869b4bc3d3 ---> e1acb02e507b Step 5/6 : ENV TZ=Asia/Shanghai ---> Running in 4111226fd387 Removing intermediate container 4111226fd387 ---> fce921d488aa Step 6/6 : RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone ---> Running in 49fb66f0821f Removing intermediate container 49fb66f0821f ---> d3c32537e84e Successfully built d3c32537e84e Successfully tagged etl-online:1.0 WARNING: Image for service etl-online was built because it did not already exist. To rebuild this image you must use `docker-compose build` or `docker-compose up --build`. Creating etl-online_etl-online_1 ... done
//查看正在運行的容器 etl-online已在運行中 up 7 seconds root@river-NUC8i7HNK:/package/etl-online# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 1c0d012c9ba4 etl-online:1.0 "java -Djava.securit…" 9 seconds ago Up 7 seconds 0.0.0.0:8070->8070/tcp etl-online_etl-online_1 377db9b29f0f web:3.0 "java -Djava.securit…" 11 days ago Up 11 days 0.0.0.0:30003->30003/tcp web_power_1 cf44fc608372 power:2.0 "java -Djava.securit…" 11 days ago Up 11 days 0.0.0.0:8000->30001/tcp power_power_1 4f951b13e170 etl:2.0 "java -Djava.securit…" 2 weeks ago Up 2 weeks 0.0.0.0:8090->8090/tcp etl_power_1 524d7d7ae738 redis:4 "docker-entrypoint.s…" 4 weeks ago Up 4 weeks 0.0.0.0:6379->6379/tcp redis_redis_1 root@river-NUC8i7HNK:/package/etl-online#
docker-compose.yml
version: '2' services: etl-online: image: etl-online:1.0 指定 鏡像名稱 build: . ports: - "8070:8070" 端口映射 extra_hosts: - "自定義:192.168.3.118" ip映射 - "自定義:192.168.3.118" - "自定義:192.168.3.118"
Dockerfile
FROM openjdk:8-jdk-alpine VOLUME /tmp ADD etl-online-2.0-SNAPSHOT.jar app.jar //指定jar包名字 啟動容器會根據這里的名字去找jar包 ENTRYPOINT ["java","-Djava.security.egd=fele:/dev/./urandom","-jar","/app.jar"] ENV TZ=Asia/Shanghai //時區 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone ~