Apply same docker image to multiple containers within the same task definition

ecs/task_definition.go

@@ -224,10 +224,15 @@ func (ecs *ECS) DescribeTaskDefinition(taskDefinitionArn string) *awsecs.Describ
 //UpdateTaskDefinitionImage registers a new task definition with the updated image
 func (ecs *ECS) UpdateTaskDefinitionImage(taskDefinitionArn, image string) string {
 	dtd := ecs.DescribeTaskDefinition(taskDefinitionArn)
-	dtd.TaskDefinition.ContainerDefinitions[0].Image = aws.String(image)
+	for i := 0; i < len(dtd.TaskDefinition.ContainerDefinitions); i++ {
+		dtd.TaskDefinition.ContainerDefinitions[i].Image = aws.String(image)
+	}
+
 	return ecs.registerTaskDefinition(dtd)
 }
 
+
+
 //UpdateTaskDefinitionImageAndEnvVars creates a new, updated task definition
 // based on the specified image and env vars.
 // Note that any existing envvars are replaced by the new ones

install.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+set -e
+
+uname=$(uname)
+suffix=
+case "$uname" in
+Darwin) suffix=darwin_amd64;;
+Linux) suffix=linux_amd64;;
+*) echo >&2 "$0: Unrecognized platform '$uname'; aborting install."; exit 1;;
+esac
+
+which curl >/dev/null 2>&1|| {
+  echo >&2 "$0: curl not found. Unable to proceed."
+  exit 1
+}
+
+org=dormantroot
+app=fargate
+api_url=https://api.github.com/repos/$org/$app/releases/latest
+version=$(curl -s "$api_url" | awk -F\" '/tag_name/ {print $4}')
+
+bin_url=https://github.com/$org/$app/releases/download/$version/ncd_$suffix
+echo "Getting $bin_url"
+echo "(If you are prompted for a password, enter the one you use"
+echo " to log into this machine)"
+sudo curl -sSLo "/usr/local/bin/$app" "$bin_url"
+sudo chmod +rx "/usr/local/bin/$app"
+
+echo "$app installed to /usr/local/bin"