EC2 Deployment ServiceUpdate

docker-deploy.sh

#!/usr/bin/env bash

# Deploy a new image to an ECS service by creating a new task revision 
# specifying a container repoository tag, and updating the service to use the new revision.
#
# Note: Your application's container MUST be the first container in the task revision.

#The tag to deploy.  Specify as the first cli argument
TAG=$1

# The task name (without the revision number)
TASK_FAMILY="hello-world-task"

# The service name (
SERVICE_NAME="hello-world"

#The image that should be deployed.
NEW_DOCKER_IMAGE="1234567890.dkr.ecr.us-east-1.amazonaws.com/hello-world:${TAG}"

# The cluster where $SERVICE_NAME 
CLUSTER_NAME="production"

#-------- DO NOT EDIT BELOW THIS LINE --------#

OLD_TASK_DEF=$(aws ecs describe-task-definition --task-definition $TASK_FAMILY --output json)
NEW_TASK_DEF=$(echo $OLD_TASK_DEF | jq --arg NDI $NEW_DOCKER_IMAGE '.taskDefinition.containerDefinitions[0].image=$NDI')
FINAL_TASK=$(echo $NEW_TASK_DEF | jq '.taskDefinition|{family: .family, volumes: .volumes, containerDefinitions: .containerDefinitions}')
aws ecs register-task-definition --family ${TASK_FAMILY} --cli-input-json "$(echo $FINAL_TASK)"
aws ecs update-service --service $SERVICE_NAME --task-definition $TASK_FAMILY --cluster $CLUSTER_NAME