配置docker环境下java项目启动的jvm参数，合理分配服务器内存

cloud/docker-compose/happy-cloud/docker-compose.yml

@@ -9,6 +9,8 @@ services:
     container_name: happy-cloud-gateway
     hostname: happy-cloud-gateway
     image: happy-cloud-gateway
+    env_file:
+      - /mnt/product/cloud/happycloud/java_opts.env  #指定配置文件启动
     volumes:
       - /mnt/product/cloud/jar/happy-cloud-gateway/log:/cloud/logs/happy-cloud-gateway  #挂载logback日志
     environment:
@@ -23,6 +25,8 @@ services:
     container_name: happy-cloud-system
     hostname: happy-cloud-system
     image: happy-cloud-system
+    env_file:
+      - /mnt/product/cloud/happycloud/java_opts.env  #指定配置文件启动
     volumes:
       - /mnt/product/cloud/jar/happy-cloud-system-biz/log:/cloud/logs/happy-cloud-system-biz #挂载logback日志
     environment:
@@ -37,6 +41,8 @@ services:
     container_name: happy-cloud-wisdom
     hostname: happy-cloud-wisdom
     image: happy-cloud-wisdom
+    env_file:
+      - /mnt/product/cloud/happycloud/java_opts.env  #指定配置文件启动
     volumes:
       - /mnt/product/cloud/jar/happy-cloud-wisdom-biz/log:/cloud/logs/happy-cloud-wisdom-biz
     environment:
@@ -54,6 +60,8 @@ services:
     container_name: happy-cloud-xxl-job
     hostname: happy-cloud-xxl-job
     image: happy-cloud-xxl-job
+    env_file:
+      - /mnt/product/cloud/happycloud/java_opts.env  #指定配置文件启动
     volumes:
       - /mnt/product/cloud/jar/happy-cloud-xxl-job/log:/cloud/logs/happy-cloud-xxl-job
     environment:
@@ -68,6 +76,8 @@ services:
     container_name: happy-cloud-auth
     hostname: happy-cloud-auth
     image: happy-cloud-auth
+    env_file:
+      - /mnt/product/cloud/happycloud/java_opts.env  #指定配置文件启动
     volumes:
       - /mnt/product/cloud/jar/happy-cloud-auth/log:/cloud/logs/happy-cloud-auth
     environment:
@@ -101,6 +111,8 @@ services:
     container_name: happy-cloud-monitor
     hostname: happy-cloud-monitor
     image: happy-cloud-monitor
+    env_file:
+      - /mnt/product/cloud/happycloud/java_opts.env  #指定配置文件启动
     volumes:
       - /mnt/product/cloud/jar/happy-cloud-monitor/log:/cloud/logs/happy-cloud-monitor
     environment:

doc/happycloud/java_opts.env

@@ -0,0 +1 @@
+JAVA_OPTS=-Xms512m -Xmx512m -Xmn128m -Xss1024K -XX:MetaspaceSize=512m -XX:MaxMetaspaceSize=512m -Dfile.encoding=utf-8