Introduced CI for action testing. Added feature to use Git tags as

Docker tags.

introduce CI

simplified identification, introduced ci and fixed metadata

non interactive docker login

assuming the right context

simplification is difficult

simplification is difficult 2

do it the complicated way

test image_tag function

publish 2nd version

echoing tags pointing to current commit

build tag string

fixed a few typos

fixed another typo

create additional tags based on GIT Tags pointing to the current commit

added feature which adds GIT tags pointing to the current commit as docker tags

Author: Patrick Poetz

.github/docker/Dockerfile

@@ -0,0 +1,3 @@
+FROM alpine:3.10.3
+
+ENTRYPOINT ["echo", "'hello world'"]

.github/workflows/main.yml

@@ -0,0 +1,22 @@
+name: Test Docker Image Creation
+
+on: [push]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+        with:
+          fetch-depth: 1
+      - name: Build and Publish Docker image
+        uses: saubermacherag/gpr-docker-publish@master
+        with:
+          USERNAME: x-access-token
+          PASSWORD: ${{ secrets.GITHUB_TOKEN }}
+          IMAGE_NAME: 'gpr-docker-publish-test'
+          IMAGE_TAG: 'v0.0'
+          DOCKERFILE_PATH: '.github/docker/Dockerfile'
+          BUILD_CONTEXT: './'

.gitignore

@@ -0,0 +1,2 @@
+# Created by .ignore support plugin (hsz.mobi)
+.idea

action.yaml

@@ -10,19 +10,22 @@ inputs:
     require: true
   image_name:
     description: name of the image.  Example - myContainer
-    require: true
+    required: true
   build_context:
     description: the path in your repo that will serve as the build context
-    require: true
+    required: true
     default: './'
   dockerfile_path:
     description: the full path (including the filename) to the dockerfile that you want to build
-    require: true
+    required: true
     default: ./Dockerfile
   cache:
     description: attempt to use last image as the cache
-    require: false
+    required: false
     default: false
+  image_tag:
+    description: Optional input to set a tag name instead of a hash.
+    required: false
 outputs:
   IMAGE_SHA_NAME:
     description: name of the Docker Image including the tag

entrypoint.sh

@@ -47,6 +47,15 @@ echo ${INPUT_PASSWORD} | docker login -u ${INPUT_USERNAME} --password-stdin dock
 BASE_NAME="docker.pkg.github.com/${GITHUB_REPOSITORY}/${INPUT_IMAGE_NAME}"
 SHA_NAME="${BASE_NAME}:${IMAGE_TAG}"
 
+# Build additional tags based on the GIT Tags pointing to the current commit
+ADDITIONAL_TAGS=
+for git_tag in $(git tag -l --points-at HEAD)
+do
+  echo "Processing ${git_tag}"
+  ADDITIONAL_TAGS="${ADDITIONAL_TAGS} -t ${BASE_NAME}:${git_tag}"
+done
+echo "following additional tags will be created: ${ADDITIONAL_TAGS}"
+
 # Add Arguments For Caching
 BUILDPARAMS=""
 if [ "${INPUT_CACHE}" == "true" ]; then
@@ -58,7 +67,7 @@ if [ "${INPUT_CACHE}" == "true" ]; then
 fi
 
 # Build The Container
-docker build $BUILDPARAMS -t ${SHA_NAME} -t ${BASE_NAME} -f ${INPUT_DOCKERFILE_PATH} ${INPUT_BUILD_CONTEXT}
+docker build $BUILDPARAMS -t ${SHA_NAME} -t ${BASE_NAME}${ADDITIONAL_TAGS} -f ${INPUT_DOCKERFILE_PATH} ${INPUT_BUILD_CONTEXT}
 
 # Push two versions, with and without the SHA
 docker push ${BASE_NAME}