Merge pull request #2 from JayJamieson/feat/slim-image-creation-and-push

added slim image creation to build script

Author: JayJamieson

README.md

@@ -41,6 +41,8 @@ Usage: ./build_image.sh --account-id ID --region REGION --repo-name NAME [--tag
   --tag          Image tag override; if omitted, use latest Git tag on HEAD
 ```
 
+If you want to create and push smaller slim images then please install [slimtoolkit/slim](https://github.com/slimtoolkit/slim). You can then optionally pass `--slim-image` to minify images and push to ECR.
+
 ## Deploy
 
 Create a `terraform.tfvars` file inside infrastructure folder and fill out required variables.

build_image.sh

@@ -24,13 +24,15 @@ ACCOUNT_ID=""
 REGION=""
 REPO_NAME=""
 TAG=""
+WITH_SLIM=false
 
 while [[ $# -gt 0 ]]; do
   case "$1" in
     --account-id) ACCOUNT_ID="$2"; shift 2 ;;
     --region)      REGION="$2";     shift 2 ;;
     --repo-name)   REPO_NAME="$2";   shift 2 ;;
     --tag)         TAG="$2";        shift 2 ;;
+    --slim-image)  WITH_SLIM=true;   shift ;;
     -h|--help)     usage ;;
     *) echo -e "${RED}Unknown option: $1${NC}" >&2; usage ;;
   esac
@@ -68,11 +70,19 @@ docker tag "${IMAGE_REPO}" "${IMAGE_REPO}:latest" >&2
 echo -e "${GREEN}Tagging succeeded.${NC}" >&2
 
 echo -e "${YELLOW}Pushing ${IMAGE_URI}…${NC}" >&2
-docker push "${IMAGE_URI}" >&2
-echo -e "${GREEN}Pushed ${IMAGE_URI}.${NC}" >&2
+docker push --quiet "${IMAGE_URI}" >&2
+
+if $WITH_SLIM; then
+  echo -e "${YELLOW}Creating slim image…${NC}" >&2
+  slim --quiet build --http-probe=false --continue-after=1 --target "${IMAGE_REPO}:latest" --tag "${IMAGE_REPO}:slim-${IMAGE_TAG}"
+  docker push --quiet "${IMAGE_REPO}:slim-${IMAGE_TAG}" >&2
+  echo -e "${GREEN}Pushed ${IMAGE_REPO}:slim.${NC}" >&2
+fi
 
+echo -e "${GREEN}Pushed ${IMAGE_URI}.${NC}" >&2
 echo -e "${YELLOW}Pushing latest tag…${NC}" >&2
-docker push "${IMAGE_REPO}:latest" >&2
+
+docker push --quiet "${IMAGE_REPO}:latest" >&2
 echo -e "${GREEN}Pushed latest tag.${NC}" >&2
 
 jq -n --arg uri "$IMAGE_URI" '{"image_uri":$uri}'

create-ecr.sh

@@ -30,7 +30,7 @@ while [[ $# -gt 0 ]]; do
     --repo-name)  REPO_NAME="$2";   shift 2 ;;
     --region)     REGION="$2";      shift 2 ;;
     --account-id) ACCOUNT_ID="$2";  shift 2 ;;
-    --auth-only)  AUTH_ONLY=true;   shift    ;;
+    --auth-only)  AUTH_ONLY=true;   shift   ;;
     -h|--help)    usage ;;
     *) echo -e "${RED}Unknown option: $1${NC}" >&2; usage ;;
   esac