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>原文鏈接地址:『高級篇』docker之DockerSwarm調整微服務及服務配置(29)上次已經搭建好了swarm的集羣環境,server01,server02,server03三臺虛擬機,每一臺的manager節點也是work節點,首先我們考慮的問題是服務的發現,從微服務的角度考慮,我們有得服務是爲了其他服務使用的,如message service,user service,對於swarm上,有的需要暴露端口給其他服務使用,有的是直接通過服務的名稱就可以訪問的,改造模式,改造代碼,然後上傳到鏡像倉庫。最後配置一個docker stack 把他們的關係編寫出來,一條命令搞定了。源碼:https://github.com/limingios/msA-docker swarm分支
修改微服務的配置
- course-dubbo-service
sh
#!/usr/bin/env bash
source ~/.bash_profile
mvn package
docker build -f ./Dockerfile-hub -t zhugeaming/course-dubbo-service:latest .
docker push zhugeaming/course-dubbo-service:latest
>Dockerfile
``` bash
FROM java:openjdk-8
MAINTAINER liming www.idig8.com
COPY target/course-dubbo-service-1.0-SNAPSHOT.jar /course-dubbo-service.jar
ENTRYPOINT ["java","-jar","/course-dubbo-service.jar"]
- course-edge-service
sh
#!/usr/bin/env bash
source ~/.bash_profile
mvn package
docker build -f ./Dockerfile-hub -t zhugeaming/course-edge-service:latest .
docker push zhugeaming/course-edge-service:latest
>Dockerfile
``` bash
FROM java:openjdk-8
MAINTAINER liming www.idig8.com
COPY target/course-edge-service-1.0-SNAPSHOT.jar /course-edge-service.jar
ENTRYPOINT ["java","-jar","/course-edge-service.jar"]
- gataway-zuul
sh
#!/usr/bin/env bash
source ~/.bash_profile
mvn package
docker build -f ./Dockerfile-hub -t zhugeaming/gataway-zuul:latest .
docker push zhugeaming/gataway-zuul:latest
>Dockfile
``` bash
FROM java:openjdk-8
MAINTAINER liming www.idig8.com
COPY target/gataway-zuul-1.0-SNAPSHOT.jar /gataway-zuul.jar
ENTRYPOINT ["java","-jar","/gataway-zuul.jar"]
- user-edge-service
sh
#!/usr/bin/env bash source ~/.bash_profile mvn package docker build -f ./Dockerfile-hub -t zhugeaming/user-edge-service:latest . docker push zhugeaming/user-edge-service:latest
Dockerfile
#!/usr/bin/env bash source ~/.bash_profile mvn package docker build -f ./Dockerfile-hub -t zhugeaming/user-edge-service:latest . docker push zhugeaming/user-edge-service:latest
- user-thrift-service
sh
#!/usr/bin/env bash source ~/.bash_profile mvn package docker build -f ./Dockerfile-hub -t zhugeaming/user-thrift-service:latest . docker push zhugeaming/user-thrift-service:latest
Dockerfile
FROM java:openjdk-8 MAINTAINER liming www.idig8.com
COPY target/user-thrift-service-1.0-SNAPSHOT.jar /user-thrift-service.jar
ENTRYPOINT ["java","-jar","/user-thrift-service.jar"]
* 編寫yml文件 使用docker stack 進行批量生成
``` yml
version: "3.4"
services:
message-thrift-python-service:
image: zhugeaming/message-thrift-python-service:latest
deploy:
endpoint_mode: dnsrr
resources:
limits:
cpus: "0.2"
memory: "128M"
user-thrift-service:
image: zhugeaming/user-thrift-service:latest
deploy:
endpoint_mode: dnsrr
resources:
limits:
cpus: "0.2"
memory: "512M"
user-edge-service:
image: zhugeaming/user-edge-service:latest
deploy:
endpoint_mode: vip
resources:
limits:
cpus: "0.2"
memory: "512M"
ports:
- "8082:8082"
depends_on:
- user-thrift-service
- message-thrift-python-service
course-dubbo-service:
image: zhugeaming/user-edge-service:latest
deploy:
endpoint_mode: dnsrr
resources:
limits:
cpus: "0.2"
memory: "512M"
depends_on:
- user-thrift-service
course-edge-service:
image: zhugeaming/course-edge-service:latest
deploy:
endpoint_mode: vip
resources:
limits:
cpus: "0.2"
memory: "512M"
ports:
- "8081:8081"
depends_on:
- user-edge-service
gateway-zuul:
image: zhugeaming/gataway-zuul:latest
deploy:
endpoint_mode: vip
resources:
limits:
cpus: "0.2"
memory: "512M"
ports:
- "8080:8080"
depends_on:
- user-edge-service
- course-edge-service
networks:
default:
external:
name: idig8-overlay
docker stack 創建,因爲機器內存太小,我還是使用的外網,下載鏡像有點慢。
docker stack deploy -c ms-service.yml ms
docker stack services ms
PS:創建成功,下一步就是調試微服務。