Deploy image to aws and restart the task and service to redeploy new container.

deploy-image-to-aws.sh

#!/bin/bash

awsRegion=eu-west-1
containerName=imagepool_web
containerRepository=126375660691.dkr.ecr.eu-west-1.amazonaws.com/image-pool
version=0.1

increment_version (){
  declare -a part=( ${1//\./ } )
  declare    new
  declare -i carry=1

  for (( CNTR=${#part[@]}-1; CNTR>=0; CNTR-=1 )); do
    len=${#part[CNTR]}
    new=$((part[CNTR]+carry))
    [ ${#new} -gt $len ] && carry=1 || carry=0
    [ $CNTR -gt 0 ] && part[CNTR]=${new: -len} || part[CNTR]=${new}
  done
  new="${part[*]}"
  echo -e "${new// /.}"
}

#if docker image version does exist in repository increment existing version by one
loaded_version=`aws ecr list-images --repository-name image-pool --filter 'tagStatus=TAGGED' --query 'imageIds[].[imageTag][-1]' --output=text --profile build`
if [ ! -z "${loaded_version##*[!0-9.]*}" ]; then
    version=$(increment_version $loaded_version)
fi
echo "build latest version $containerRepository:$version"

cd $(dirname $(dirname $(readlink -f $0)))

echo "build production docker image..."
docker-compose -f docker-compose.production.yml build

echo "docker login to aws..."
eval $(aws ecr get-login --region eu-west-1 --profile build)
echo "tag $containerName:latest"
docker tag $containerName:latest $containerRepository:latest
docker tag $containerRepository:latest $containerRepository:$version
echo "push docker image version $version"
docker push $containerRepository:$version
docker push $containerRepository:latest

echo 'update task definition...'
aws ecs register-task-definition --cli-input-json file://tasks/register-dev-imagepool.json --region eu-west-1 --profile build

echo 'update our service with that last task..'
aws ecs update-service --cluster dev-imagepool --service imagepool-service --task-definition dev-imagepool --desired-count 1 --profile build

register-dev-imagepool.json

{
  "family": "dev-imagepool",
  "networkMode": "bridge",
  "containerDefinitions": [
    {
      "memory": 512,
      "portMappings": [
        {
          "hostPort": 27017,
          "containerPort": 27017,
          "protocol": "tcp"
        }
      ],
      "essential": true,
      "name": "db",
      "image": "mongo:latest",
      "cpu": 0,
      "memoryReservation": 256
    },
    {
      "memory": 512,
      "portMappings": [
        {
          "hostPort": 8000,
          "containerPort": 8000,
          "protocol": "tcp"
        }
      ],
      "essential": true,
      "name": "web",
      "environment": [
        {
          "name": "MONGO_URL",
          "value": "mongodb://db:27017/mern-starter"
        },
        {
          "name": "NODE_ENV",
          "value": "production"
        }
      ],
      "links": [
        "db"
      ],
      "image": "126375660691.dkr.ecr.eu-west-1.amazonaws.com/image-pool:latest",
      "cpu": 0,
      "memoryReservation": 256
    }
  ]
}