Add circleci config

.circleci/config.yml

@@ -0,0 +1,70 @@
+version: 2.1
+executors:
+  docker-executor:
+    environment:
+      IMAGE_NAME: peterevans/dockerhub-description
+    docker:
+      - image: circleci/buildpack-deps:stretch
+jobs:
+  build:
+    executor: docker-executor
+    steps:
+      - checkout
+      - setup_remote_docker:
+          docker_layer_caching: true
+      - run:
+          name: Build Docker image
+          command: |
+            docker build -t $IMAGE_NAME:latest . --label "org.opencontainers.image.version=${CIRCLE_TAG/v/''}"
+      - run:
+          name: Cache Docker image
+          command: docker save -o image.tar $IMAGE_NAME
+      - persist_to_workspace:
+          root: .
+          paths:
+            - ./image.tar
+  publish-tag:
+    executor: docker-executor
+    steps:
+      - attach_workspace:
+          at: /tmp/workspace
+      - setup_remote_docker
+      - run:
+          name: Load cached Docker image
+          command: docker load -i /tmp/workspace/image.tar
+      - run:
+          name: Publish Docker Image to Docker Hub
+          command: |
+            echo "$DOCKERHUB_PASSWORD" | docker login -u "$DOCKERHUB_USERNAME" --password-stdin
+            IMAGE_TAG=${CIRCLE_TAG/v/''}
+            docker tag $IMAGE_NAME:latest $IMAGE_NAME:$IMAGE_TAG
+            docker push $IMAGE_NAME:latest
+            docker push $IMAGE_NAME:$IMAGE_TAG
+            # If the minor version can be extracted then tag and push
+            MINOR_VERSION=$(echo $CIRCLE_TAG | sed -n "s/^v\([0-9]*.[0-9]*\).[0-9]*$/\1/p")
+            if [[ ${#MINOR_VERSION} -gt 0 ]]; then
+              docker tag $IMAGE_NAME:latest $IMAGE_NAME:$MINOR_VERSION
+              docker push $IMAGE_NAME:$MINOR_VERSION
+            fi
+workflows:
+  version: 2
+  build:
+    jobs:
+      - build
+  build-and-publish-tags:
+    jobs:
+      - build:
+          filters:
+            tags:
+              only: /^v.*/
+            branches:
+              ignore: /.*/
+      - publish-tag:
+          context: org-global
+          requires:
+            - build
+          filters:
+            tags:
+              only: /^v.*/
+            branches:
+              ignore: /.*/

.github/main.workflow

@@ -0,0 +1,15 @@
+workflow "Update Docker Hub Description" {
+  resolves = ["Docker Hub Description"]
+  on = "push"
+}
+
+action "Filter master branch" {
+  uses = "actions/bin/filter@master"
+  args = "branch master"
+}
+
+action "Docker Hub Description" {
+  needs = ["Filter master branch"]
+  uses = "./"
+  secrets = ["DOCKERHUB_USERNAME", "DOCKERHUB_PASSWORD", "DOCKERHUB_REPOSITORY"]
+}

Dockerfile

@@ -1,4 +1,4 @@
-FROM peterevans/curl-jq:1.0.0
+FROM peterevans/curl-jq:1.0.1
 
 LABEL maintainer="Peter Evans <mail@peterevans.dev>"
 LABEL repository="https://github.com/peter-evans/dockerhub-description"
@@ -9,7 +9,7 @@ LABEL com.github.actions.description="An action to update a Docker Hub repositor
 LABEL com.github.actions.icon="upload"
 LABEL com.github.actions.color="blue"
 
-COPY LICENSE README.md
+COPY LICENSE README.md /
 
 COPY entrypoint.sh /entrypoint.sh
 

README.md

@@ -1,4 +1,5 @@
 # Docker Hub Description
+[![GitHub Marketplace](https://img.shields.io/badge/Marketplace-Docker%20Hub%20Description-blue.svg?colorA=24292e&colorB=0366d6&style=flat&longCache=true&logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAOCAYAAAAfSC3RAAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAAM6wAADOsB5dZE0gAAABl0RVh0U29mdHdhcmUAd3d3Lmlua3NjYXBlLm9yZ5vuPBoAAAERSURBVCiRhZG/SsMxFEZPfsVJ61jbxaF0cRQRcRJ9hlYn30IHN/+9iquDCOIsblIrOjqKgy5aKoJQj4O3EEtbPwhJbr6Te28CmdSKeqzeqr0YbfVIrTBKakvtOl5dtTkK+v4HfA9PEyBFCY9AGVgCBLaBp1jPAyfAJ/AAdIEG0dNAiyP7+K1qIfMdonZic6+WJoBJvQlvuwDqcXadUuqPA1NKAlexbRTAIMvMOCjTbMwl1LtI/6KWJ5Q6rT6Ht1MA58AX8Apcqqt5r2qhrgAXQC3CZ6i1+KMd9TRu3MvA3aH/fFPnBodb6oe6HM8+lYHrGdRXW8M9bMZtPXUji69lmf5Cmamq7quNLFZXD9Rq7v0Bpc1o/tp0fisAAAAASUVORK5CYII=)](https://github.com/marketplace/actions/docker-hub-description)
 
 A GitHub action to update a Docker Hub repository description from `README.md`.
 
@@ -7,8 +8,8 @@ This is useful if you `docker push` your images to Docker Hub. It provides an ea
 ## Usage
 
 ```
-action "Update Docker Hub Repository Description" {
+action "Docker Hub Description" {
-  uses = "peter-evans/dockerhub-description@master"
+  uses = "peter-evans/dockerhub-description@v1.0.0"
   secrets = ["DOCKERHUB_USERNAME", "DOCKERHUB_PASSWORD", "DOCKERHUB_REPOSITORY"]
 }
 ```
@@ -17,7 +18,9 @@ action "Update Docker Hub Repository Description" {
 
 - `DOCKERHUB_USERNAME` - Docker Hub username
 - `DOCKERHUB_PASSWORD` - Docker Hub password
-- `DOCKERHUB_REPOSITORY` - The name of the Docker Hub repository to update. (This may also be an environment variable if not considered sensitive)
+- `DOCKERHUB_REPOSITORY` - The name of the Docker Hub repository to update. The action combines this with the username to locate the repository. i.e. `username/repository`
+
+Note that `DOCKERHUB_USERNAME` and `DOCKERHUB_REPOSITORY` may also be environment variables if not considered sensitive.
 
 #### Optionally specifying the file path
 
@@ -25,8 +28,8 @@ The action assumes that there is a file called `README.md` located at the root o
 If this is not the case, the path can be overridden with an environment variable.
 
 ```
-action "Update Docker Hub Repository Description" {
+action "Docker Hub Description" {
-  uses = "peter-evans/dockerhub-description@master"
+  uses = "peter-evans/dockerhub-description@v1.0.0"
   secrets = ["DOCKERHUB_USERNAME", "DOCKERHUB_PASSWORD", "DOCKERHUB_REPOSITORY"]
   env = {
     README_FILEPATH = "./some-path/README.md"
@@ -38,9 +41,9 @@ action "Update Docker Hub Repository Description" {
 
 Updates the Docker Hub repository description whenever there is a `git push` to the `master` branch.
 ```
-workflow "New workflow" {
+workflow "Update Docker Hub Description" {
+  resolves = ["Docker Hub Description"]
   on = "push"
-  resolves = ["Update Docker Hub Repository Description"]
 }
 
 action "Filter master branch" {
@@ -48,22 +51,22 @@ action "Filter master branch" {
   args = "branch master"
 }
 
-action "Update Docker Hub Repository Description" {
+action "Docker Hub Description" {
   needs = ["Filter master branch"]
-  uses = "peter-evans/dockerhub-description@master"
+  uses = "peter-evans/dockerhub-description@v1.0.0"
   secrets = ["DOCKERHUB_USERNAME", "DOCKERHUB_PASSWORD", "DOCKERHUB_REPOSITORY"]
 }
 ```
 
 Updates the Docker Hub repository description whenever a new release is created.
 ```
-workflow "New workflow" {
+workflow "Update Docker Hub Description" {
+  resolves = ["Docker Hub Description"]
   on = "release"
-  resolves = ["Update Docker Hub Repository Description"]
 }
 
-action "Update Docker Hub Repository Description" {
+action "Docker Hub Description" {
-  uses = "peter-evans/dockerhub-description@master"
+  uses = "peter-evans/dockerhub-description@v1.0.0"
   secrets = ["DOCKERHUB_USERNAME", "DOCKERHUB_PASSWORD", "DOCKERHUB_REPOSITORY"]
 }
 ```