feat: trigger release workflow

Release action only triggers if there is a commit with a keyword in the
title since the last release tag was made...

Signed-off-by: Moritz Röhrich <moritz@ildefons.de>

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule:
+    interval: "daily"
+- package-ecosystem: "docker"
+  directory: "/"
+  schedule:
+    interval: "daily"

.github/workflows/ci.yml

@@ -3,81 +3,139 @@ on:
   push:
     branches:
       - master
+
   pull_request:
 
 env:
   TEST_IMAGE_NAME: hadolint-action:${{github.sha}}
 
+permissions:
+  contents: write
+  issues: write  # Used by Release step to update "The automated release is failing" issue
+  pull-requests: write  # Used by ShellCheck Action to add comments on PR
+
 jobs:
   lint:
-    runs-on: ubuntu-latest
-    container: pipelinecomponents/hadolint:latest
+    name: Lint
+    runs-on: ubuntu-24.04
+    container: pipelinecomponents/hadolint:0.27.2
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v5
+
       - name: Run hadolint
         run: hadolint Dockerfile
 
-  build:
-    runs-on: ubuntu-latest
-    needs: ['lint']
+  shellcheck:
+    name: ShellCheck
+    runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v5
+
+      - name: Run ShellCheck
+        uses: reviewdog/action-shellcheck@v1.31.0
+        with:
+          reporter: github-pr-review
+          fail_on_error: true
+
+  build-test:
+    name: Build and Test
+    runs-on: ubuntu-24.04
+    needs:
+      - lint
+      - shellcheck
+    steps:
+      - uses: actions/checkout@v5
+
       - name: Build Docker image
         run: docker build -t $TEST_IMAGE_NAME .
 
-      - name: Save Docker image artifact
-        run: docker save -o action.tar $TEST_IMAGE_NAME
-
-      - name: Upload image artifact
-        uses: actions/upload-artifact@master
-        with:
-          name: action-image
-          path: action.tar
-
-  test:
-    name: Unit Tests
-    runs-on: ubuntu-latest
-    needs: build
-    steps:
-      - uses: actions/checkout@v1
-
-      - name: Pull Image artifact
-        uses: actions/download-artifact@master
-        with:
-          name: action-image
-
-      - name: Load image into docker context
-        run: docker load -i action-image/action.tar
-
-      - name: Get Image Name
-        id: image_name
-        run: echo "##[set-output name=image;]$(echo $TEST_IMAGE_NAME)"
-
       - name: Run Structure tests
-        uses: brpaz/structure-tests-action@master
+        uses: brpaz/structure-tests-action@v1.1.2
         with:
-          image: ${{ steps.image_name.outputs.image }}
+          image: ${{ env.TEST_IMAGE_NAME }}
 
-  integration:
+  integration-tests:
     name: Integration Tests
-    runs-on: ubuntu-latest
-    needs: test
+    runs-on: ubuntu-24.04
+    needs:
+      - build-test
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v5
 
-      - name: Run integration test
+      - name: Run integration test 1
         uses: ./
         with:
           dockerfile: testdata/Dockerfile
 
+      - name: Run integration test 2 - ignore a rule
+        # This step is supposed to print out an info level rule violation
+        # but completely ignore the two rules listed below
+        uses: ./
+        with:
+          dockerfile: testdata/warning.Dockerfile
+          ignore: 'DL3014,DL3008'
+          no-fail: true
+
+      - name: Run integration test 3 - set failure threshold
+        # This step will print out an info level rule violation, but not fail
+        # because of the high failure threshold.
+        uses: ./
+        with:
+          dockerfile: testdata/info.Dockerfile
+          failure-threshold: warning
+
+      - name: Run integration test 4 - output format
+        # This step will never fail, but will print out rule violations as json.
+        uses: ./
+        with:
+          dockerfile: testdata/warning.Dockerfile
+          failure-threshold: error
+          format: json
+
+      - name: Run integration test 5 - config file
+        # This step will never fail, but will print out rule violations
+        # because in config is set the error failure threshold.
+        id: hadolint5
+        uses: ./
+        with:
+          dockerfile: testdata/warning.Dockerfile
+          config: testdata/hadolint.yaml
+
+      - name: Run integration test 6 - verify results output parameter
+        # This step will never fail, but will print out the results from step5
+        env:
+          results: ${{ steps.hadolint5.outputs.results }}
+        run: echo "$results"
+
+      - name: Run integration test 7 - set recursive
+        # This step will never fail, but will print out rule violations
+        # for all the Dockerfiles in repository.
+        uses: ./
+        with:
+          dockerfile: "*Dockerfile"
+          failure-threshold: error
+          recursive: true
+
+      #- name: Run integration test 8 - output to file
+      #  # This step will never fail, but will print out rule violations.
+      #  uses: ./
+      #  with:
+      #    dockerfile: testdata/warning.Dockerfile
+      #    format: sarif
+      #    output-file: report.sarif
+
   release:
     if: github.event_name == 'push' && github.ref == 'refs/heads/master'
     name: Release
-    runs-on: ubuntu-latest
-    needs: integration
+    runs-on: ubuntu-24.04
+    needs:
+      - integration-tests
     steps:
-      - uses: actions/checkout@v1
-      - name: Semantic Release
-        uses: brpaz/action-semantic-release@master
+      - uses: actions/checkout@v5
+
+      - uses: cycjimmy/semantic-release-action@v5
+        with:
+          extra_plugins: |
+            @semantic-release/git
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

Dockerfile

@@ -1,6 +1,6 @@
-FROM hadolint/hadolint:v1.17.2
+FROM ghcr.io/hadolint/hadolint:v2.14.0-debian
 
-COPY LICENSE README.md /
-
-ENTRYPOINT [ "hadolint" ]
+COPY LICENSE README.md problem-matcher.json /
+COPY hadolint.sh /usr/local/bin/hadolint.sh
 
+ENTRYPOINT [ "/usr/local/bin/hadolint.sh" ]

Makefile

@@ -1,7 +1,7 @@
 
 IMAGE_NAME:=hadolint-action
 
-lint-dockerfile: ## Runs hadoint against application dockerfile
+lint-dockerfile: ## Runs hadolint against application dockerfile
 	@docker run --rm -v "$(PWD):/data" -w "/data" hadolint/hadolint hadolint Dockerfile
 
 lint-yaml: ## Lints yaml configurations
@@ -12,8 +12,8 @@ build: ## Builds the docker image
 
 test: build ## Runs a test in the image
 	@docker run -i --rm \
-  -v /var/run/docker.sock:/var/run/docker.sock \
-  -v ${PWD}:/test zemanlx/container-structure-test:v1.8.0-alpine \
+    -v /var/run/docker.sock:/var/run/docker.sock \
+    -v ${PWD}:/test zemanlx/container-structure-test:v1.8.0-alpine \
     test \
     --image $(IMAGE_NAME) \
     --config test/structure-tests.yaml

README.md

@@ -1,26 +1,76 @@
-# hadolint-action Action
+# Hadolint Action
 
-> Action that runs [Hadolint](https://github.com/hadolint/hadolint) Dockerfile linting tool.
+> GitHub Action that runs [Hadolint](https://github.com/hadolint/hadolint) Dockerfile linting tool.
 
 [![GitHub Action](https://img.shields.io/badge/GitHub-Action-blue?style=for-the-badge)](https://github.com/features/actions)
 [![License](https://img.shields.io/badge/License-MIT-yellow.svg?style=for-the-badge)](LICENSE)
 [![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg?style=for-the-badge)](http://commitizen.github.io/cz-cli/)
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg?style=for-the-badge)](https://github.com/semantic-release/semantic-release?style=for-the-badge)
+[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/hadolint/hadolint-action/ci.yml?branch=master&style=for-the-badge)](https://github.com/hadolint/hadolint-action/action)
 
-[![GitHub Actions](https://github.com/brpaz/hadolint-action/workflows/CI/badge.svg?style=for-the-badge)](https://github.com/brpaz/hadolint-action/actions)
 
 ## Usage
 
+Add the following step to your workflow configuration:
+
 ```yml
 steps:
-    uses: brpaz/hadolint-action@master
+  - uses: actions/checkout@v3
+  - uses: hadolint/hadolint-action@v3.1.0
+    with:
+      dockerfile: Dockerfile
 ```
 
 ## Inputs
 
-**`dockerfile`**
+| Name                 | Description                                                                                                                             | Default            |
+|----------------------|-----------------------------------------------------------------------------------------------------------------------------------------|--------------------|
+| `dockerfile`         | The path to the Dockerfile to be tested                                                                                                 | `./Dockerfile`     |
+| `recursive`          | Search for specified dockerfile </br> recursively, from the project root                                                                | `false`            |
+| `config`             | Custom path to a Hadolint config file                                                                                                   | `./.hadolint.yaml` |
+| `output-file`        | A sub-path where to save the </br> output as a file to                                                                                  | `/dev/stdout`      |
+| `no-color`           | Don't create colored output (`true`/`false`)                                                                                            | `false`            |
+| `no-fail`            | Never fail the action (`true`/`false`)                                                                                                  | `false`            |
+| `verbose`            | Output more information (`true`/`false`)                                                                                                | `false`            |
+| `format`             | The output format. One of [`tty` \| `json` \| </br> `checkstyle` \| `codeclimate` \| </br> `gitlab_codeclimate` \| `codacy` \| `sarif`] | `tty`              |
+| `failure-threshold`  | Rule severity threshold for pipeline </br> failure. One of [`error` \| `warning` \| </br>  `info` \| `style` \| `ignore`]               | `info`             |
+| `override-error`     | Comma separated list of rules to treat with `error` severity                                                                            |                    |
+| `override-warning`   | Comma separated list of rules to treat with `warning` severity                                                                          |                    |
+| `override-info`      | Comma separated list of rules to treat with `info` severity                                                                             |                    |
+| `override-style`     | Comma separated list of rules to treat with `style` severity                                                                            |                    |
+| `ignore`             | Comma separated list of Hadolint rules to ignore.                                                                                       | <none>             |
+| `trusted-registries` | Comma separated list of urls of trusted registries                                                                                      |                    |
 
-The path to the Dockerfile to be tested. By default it will look for a Dockerfile in the current directory.
+## Output
+
+The Action will store results in an environment variable that can be used in other steps in a workflow.
+
+Example to create a comment in a PR:
+
+```
+- name: Update Pull Request
+  uses: actions/github-script@v6
+  if: github.event_name == 'pull_request'
+  with:
+    script: |
+      const output = `
+      #### Hadolint: \`${{ steps.hadolint.outcome }}\`
+      \`\`\`
+      ${process.env.HADOLINT_RESULTS}
+      \`\`\`
+      `;
+
+      github.rest.issues.createComment({
+        issue_number: context.issue.number,
+        owner: context.repo.owner,
+        repo: context.repo.repo,
+        body: output
+      })
+```
+
+## Hadolint Configuration
+
+To configure Hadolint (for example ignore rules), you can create an `.hadolint.yaml` file in the root of your repository. Please check the Hadolint [documentation](https://github.com/hadolint/hadolint#configure).
 
 ## 🤝 Contributing
 
@@ -32,10 +82,13 @@ Contributions are what make the open source community such an amazing place to b
 4. Push to the Branch (`git push origin feature/AmazingFeature`)
 5. Open a Pull Request
 
-## Useful Resources
+## 💛 Support the project
 
-* [Building actions - GitHub Help](https://help.github.com/en/articles/building-actions)
-* [actions/toolkit: The GitHub ToolKit for developing GitHub Actions.](https://github.com/actions/toolkit)
+If this project was useful to you in some form, We would be glad to have your support. It will help keeping the project alive.
+
+The sinplest form of support is to give a ⭐️ to this repo.
+
+This project was originally created by [Bruno Paz](https://github.com/sponsors/brpaz) and incorporated into the Hadolint organization. If you appreciate the work done on this action, Bruno would be happy with your [sponsorship](https://github.com/sponsors/brpaz).
 
 ## Author
 
@@ -46,6 +99,4 @@ Contributions are what make the open source community such an amazing place to b
 
 ## 📝 License
 
-Copyright © 2019 [Bruno Paz](https://github.com/brpaz).
-
-This project is [MIT](LICENSE) licensed.
+[MIT](LICENSE)

action.yml

@@ -3,13 +3,98 @@ description: 'Action that runs Hadolint Dockerfile linting tool'
 author: 'Bruno Paz'
 inputs:
   dockerfile:
+    required: false
     description: 'The path to the Dockerfile to lint'
     default: 'Dockerfile'
+  config:
+    required: false
+    description: 'Path to a config file'
+    default:
+  recursive:
+    required: false
+    description:
+      'Search for specified dockerfile recursively, from the project root'
+    default: 'false'
+  output-file:
+    required: false
+    description: 'The path where to save the linting results to'
+    default: "/dev/stdout"
+
+  # standart hadolint options:
+  no-color:
+    required: false
+    description: Don't create colored output.
+    default: 'false'
+  no-fail:
+    required: false
+    description: Never exit with a failure status code
+    default: 'false'
+  verbose:
+    required: false
+    description: Print more information about the running config
+    default: 'false'
+  format:
+    required: false
+    description: |
+      The output format, one of [tty (default) | json | checkstyle |
+      codeclimate | gitlab_codeclimate | codacy | sarif]
+    default: 'tty'
+  failure-threshold:
+    required: false
+    description: |
+      Fail the pipeline only if rules with severity above this threshold are
+      violated. One of [error | warning | info (default) | style | ignore]
+    default: 'info'
+  override-error:
+    required: false
+    description:
+      'A comma separated list of rules whose severity will be `error`'
+    default:
+  override-warning:
+    required: false
+    description:
+      'A comma separated list of rules whose severity will be `warning`'
+    default:
+  override-info:
+    required: false
+    description:
+      'A comma separated list of rules whose severity will be `info`'
+    default:
+  override-style:
+    required: false
+    description:
+      'A comma separated list of rules whose severity will be `style`'
+    default:
+  ignore:
+    required: false
+    description: 'A comma separated string of rules to ignore'
+    default:
+  trusted-registries:
+    required: false
+    description: 'A comma separated list of trusted registry urls'
+    default:
+
 runs:
   using: 'docker'
   image: 'Dockerfile'
   args:
     - ${{ inputs.dockerfile }}
+  env:
+    NO_COLOR: ${{ inputs.no-color }}
+    HADOLINT_NOFAIL: ${{ inputs.no-fail }}
+    HADOLINT_VERBOSE: ${{ inputs.verbose }}
+    HADOLINT_FORMAT: ${{ inputs.format }}
+    HADOLINT_FAILURE_THRESHOLD: ${{ inputs.failure-threshold }}
+    HADOLINT_OVERRIDE_ERROR: ${{ inputs.override-error }}
+    HADOLINT_OVERRIDE_WARNING: ${{ inputs.override-warning }}
+    HADOLINT_OVERRIDE_INFO: ${{ inputs.override-info }}
+    HADOLINT_OVERRIDE_STYLE: ${{ inputs.override-style }}
+    HADOLINT_IGNORE: ${{ inputs.ignore }}
+    HADOLINT_TRUSTED_REGISTRIES: ${{ inputs.trusted-registries }}
+
+    HADOLINT_CONFIG: ${{ inputs.config }}
+    HADOLINT_RECURSIVE: ${{ inputs.recursive }}
+    HADOLINT_OUTPUT: ${{ inputs.output-file }}
 branding:
   icon: 'layers'
   color: 'purple'

hadolint.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+# The problem-matcher definition must be present in the repository
+# checkout (outside the Docker container running hadolint). We copy
+# problem-matcher.json to the home folder.
+
+PROBLEM_MATCHER_FILE="/problem-matcher.json"
+if [ -f "$PROBLEM_MATCHER_FILE" ]; then
+  cp "$PROBLEM_MATCHER_FILE" "$HOME/"
+fi
+# After the run has finished we remove the problem-matcher.json from
+# the repository so we don't leave the checkout dirty. We also remove
+# the matcher so it won't take effect in later steps.
+# shellcheck disable=SC2317
+cleanup() {
+  echo "::remove-matcher owner=brpaz/hadolint-action::"
+}
+trap cleanup EXIT
+
+echo "::add-matcher::$HOME/problem-matcher.json"
+
+if [ -n "$HADOLINT_CONFIG" ]; then
+  HADOLINT_CONFIG="-c ${HADOLINT_CONFIG}"
+fi
+
+if [ -z "$HADOLINT_TRUSTED_REGISTRIES" ]; then
+  unset HADOLINT_TRUSTED_REGISTRIES
+fi
+
+COMMAND="hadolint $HADOLINT_CONFIG"
+
+if [ "$HADOLINT_RECURSIVE" = "true" ]; then
+  shopt -s globstar
+
+  filename="${!#}"
+  flags="${*:1:$#-1}"
+
+  RESULTS=$(eval "$COMMAND $flags" -- **/"$filename")
+else
+  flags=$*
+  RESULTS=$(eval "$COMMAND" "$flags")
+fi
+FAILED=$?
+
+if [ -n "$HADOLINT_OUTPUT" ]; then
+  if [ -f "$HADOLINT_OUTPUT" ]; then
+    HADOLINT_OUTPUT="$TMP_FOLDER/$HADOLINT_OUTPUT"
+  fi
+  echo "$RESULTS" >"$HADOLINT_OUTPUT"
+fi
+
+RESULTS="${RESULTS//$'\\n'/''}"
+
+{
+  echo "results<<EOF"
+  echo "$RESULTS"
+  echo "EOF"
+} >>"$GITHUB_OUTPUT"
+
+{
+  echo "HADOLINT_RESULTS<<EOF"
+  echo "$RESULTS"
+  echo "EOF"
+} >>"$GITHUB_ENV"
+
+[ -z "$HADOLINT_OUTPUT" ] || echo "Hadolint output saved to: $HADOLINT_OUTPUT"
+
+exit $FAILED

problem-matcher.json

@@ -0,0 +1,15 @@
+{
+  "problemMatcher": [
+    {
+      "owner": "brpaz/hadolint-action",
+      "pattern": [
+        {
+          "regexp": "(.*)\\:(\\d+)\\s(.*)",
+          "file": 1,
+          "line": 2,
+          "message": 3
+        }
+      ]
+    }
+  ]
+}

testdata/hadolint.yaml

@@ -0,0 +1 @@
+failure-threshold: error

testdata/info.Dockerfile

@@ -0,0 +1,5 @@
+FROM debian:buster
+
+# info level warning expected here:
+RUN echo "Hello"
+RUN echo "World"

testdata/warning.Dockerfile

@@ -0,0 +1,4 @@
+FROM debian:buster
+
+# emits an info and a warning level violation.
+RUN apt-get install foo