SpringBoot Dockerfile using docker-entrypoint

docker-entrypoint.sh

#!/bin/sh
set -e
echo "127.0.0.1 $HOSTNAME" >> /etc/hosts # FIX ECS hosts issue
exec "$@"

Dockerfile

FROM openjdk:8-jdk-alpine
ENV JAVA_OPTS=""
VOLUME /tmp
ARG DEPENDENCY=api/build/dependency
COPY docker-entrypoint.sh /usr/local/bin/
COPY ${DEPENDENCY}/BOOT-INF/lib /api/lib
COPY ${DEPENDENCY}/META-INF /api/META-INF
COPY ${DEPENDENCY}/BOOT-INF/classes /api
ENTRYPOINT ["docker-entrypoint.sh"]
CMD ["sh", "-c", "java $JAVA_OPTS -cp api:/api/lib/* xxx.xxx.xxx.App"]

fargate.yaml

AWSTemplateFormatVersion: "2010-09-09"
Description: 'SpringBoot + Fargate service & task template'
Parameters:
  stack:
    Description: 'Name of an active CloudFormation stack that contains the core resources'
    Type: String
  ecsStack:
    Description: 'Name of an active CloudFormation stack that contains the ecs resources'
    Type: String
  taskDesiredCount:
    Description: 'The number of simultaneous tasks'
    Type: Number
  executionRoleArn:
    Description: 'The task execution role to run task'
    Type: String
  taskRoleArn:
    Description: 'The task role to call AWS API'
    Type: String
  containerName:
    Description: 'The name of the container to use with the load balancer'
    Type: String
  containerPort:
    Description: 'The port number on the container to direct load balancer traffic to'
    Type: Number
  image:
    Description: 'The image of the container'
    Type: String
  cpu:
    Description: 'The cpu of the container'
    Type: String
  family:
    Description: 'The family of the container'
    Type: String
  memory:
    Description: 'The memory of the container'
    Type: String
  springProfilesActive:
    Description: 'SPRING_PROFILES_ACTIVE environment'
    Type: String
  logGroup:
    Description: 'AWS log group'
    Type: String
  logRegion:
    Description: 'AWS log region'
    Type: String
  ddApiKey:
    Description: 'DataDog API KEY'
    Type: String

Resources:
  taskDefinition:
    Type: AWS::ECS::TaskDefinition
    Properties:
      ExecutionRoleArn: !Ref executionRoleArn
      Cpu: !Ref cpu
      Family: !Ref family
      Memory: !Ref memory
      TaskRoleArn: !Ref taskRoleArn
      NetworkMode: 'awsvpc'
      RequiresCompatibilities:
        - 'FARGATE'
      ContainerDefinitions:
        - Name: !Ref containerName
          Image: !Ref image
          PortMappings:
            - ContainerPort: !Ref containerPort
              HostPort: !Ref containerPort
          Environment:
            - Name: 'SPRING_PROFILES_ACTIVE'
              Value: !Ref springProfilesActive
            - Name: 'JAVA_OPTS'
              Value: '-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.port=2003 -Dcom.sun.management.jmxremote.rmi.port=2003'
          Essential: 'true'
          DockerLabels:
            com.datadoghq.ad.check_names: '["jmx"]'
            com.datadoghq.ad.instances: '[{"jmx_url":"service:jmx:rmi:///jndi/rmi://localhost:2003/jmxrmi"}]'
            com.datadoghq.ad.init_configs: '[{}]'
          LogConfiguration:
            LogDriver: 'awslogs'
            Options:
              awslogs-group: !Ref logGroup
              awslogs-region: !Ref logRegion
              awslogs-stream-prefix: 'ecs'
        - Name: 'datadog-agent'
          Image: 'datadog/agent:latest-jmx'
          Environment:
            - Name: 'DD_API_KEY'
              Value: !Ref ddApiKey
            - Name: 'ECS_FARGATE'
              Value: 'true'
            - Name: 'SD_JMX_ENABLE'
              Value: 'true'
          Essential: 'true'
  ecsService:
    Type: AWS::ECS::Service
    Properties:
      Cluster:
        Fn::ImportValue:
          !Sub "${ecsStack}-ecsCluster"
      DesiredCount: !Ref taskDesiredCount
      HealthCheckGracePeriodSeconds: 180
      LaunchType: 'FARGATE'
      LoadBalancers:
        - ContainerName: !Ref containerName
          ContainerPort: !Ref containerPort
          TargetGroupArn:
            Fn::ImportValue:
              !Sub "${ecsStack}-tgECSArn"
      NetworkConfiguration:
        AwsvpcConfiguration:
          AssignPublicIp: 'DISABLED'
          SecurityGroups:
            - Fn::ImportValue:
                !Sub "${stack}-securityGroupECSService"
          Subnets:
            - Fn::ImportValue:
                !Sub "${stack}-privateSubnet1"
            - Fn::ImportValue:
                !Sub "${stack}-privateSubnet2"
      ServiceName: !Sub "${stack}-ecsService"
      TaskDefinition: !Ref taskDefinition

Outputs:
  taskDefinition:
    Description: 'Task Definition'
    Value: !Ref taskDefinition
  ecsService:
    Description: 'ECS Service'
    Value: !Ref ecsService