build: use custom action for docker slim

.github/actions/docker-slim/action.yml

@@ -0,0 +1,24 @@
+name: Docker Slim
+description: Create slim versions of an existing container images
+
+inputs:
+  target:
+    description: The target image
+    required: true
+  tag:
+    description: The target image
+    required: true
+runs:
+  using: composite
+  steps:
+    - name: Setup docker slim
+      run: |
+        mkdir /tmp/ds
+        cd /tmp/ds
+        curl -L -o ds.tar.gz https://github.com/slimtoolkit/slim/releases/download/1.40.11/dist_linux.tar.gz
+        tar -xvf ds.tar.gz --directory 
+        echo "/tmp/ds/dist_linux" >> $GITHUB_PATH
+      shell: bash
+    - name: Run docker slim
+      run: slim build --target ${{ inputs.target }} --tag ${{ inputs.tag }} --preserve-path /usr/share/nginx/html
+      shell: bash

.github/workflows/continuous-integration-secure.yml

@@ -70,12 +70,10 @@ jobs:
         env:
           DOCKER_BUILDKIT: 1
       - name: Build slim image
-        uses: kitabisa/docker-slim-action@v1
+        uses: ./.github/actions/docker-slim
         with:
           target: '${{ env.IMAGE_REPO_PREVIEW }}:pr${{ env.PR_NUMBER }}'
           tag: 'pr${{ env.PR_NUMBER }}-slim'
-        env:
-          DSLIM_PRESERVE_PATH: /usr/share/nginx/html
       - name: Push slim image
         run: |
           docker push $IMAGE_REPO_PREVIEW:pr$PR_NUMBER-slim
@@ -193,12 +191,10 @@ jobs:
         env:
           DOCKER_BUILDKIT: 1
       - name: Build slim image
-        uses: kitabisa/docker-slim-action@v1
+        uses: ./.github/actions/docker-slim
         with:
           target: '${{ env.IMAGE_REPO_VISUAL_REGRESSION }}:pr${{ env.PR_NUMBER }}'
           tag: 'pr${{ env.PR_NUMBER }}-slim'
-        env:
-          DSLIM_PRESERVE_PATH: /usr/share/nginx/html
       - name: Push slim image
         run: |
           docker push $IMAGE_REPO_VISUAL_REGRESSION:pr$PR_NUMBER-slim

.github/workflows/continuous-integration.yml

@@ -11,6 +11,28 @@ env:
   IMAGE_REPO_VISUAL_REGRESSION: ghcr.io/${{ github.repository }}/visual-regression
 
 jobs:
+  slim-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: .nvmrc
+          cache: yarn
+      - run: |
+          mkdir -p dist/storybook
+          echo "test" > dist/storybook/index.html
+      - name: Build and push visual regression baseline
+        run: |
+          docker build --tag simple-test:test .
+        env:
+          DOCKER_BUILDKIT: 1
+      - name: Build slim image
+        uses: ./.github/actions/docker-slim
+        with:
+          target: 'simple-test:test'
+          tag: test-slim
+
   lint:
     runs-on: ubuntu-latest
     steps:
@@ -160,12 +182,10 @@ jobs:
         env:
           DOCKER_BUILDKIT: 1
       - name: Build slim image
-        uses: kitabisa/docker-slim-action@v1
+        uses: ./.github/actions/docker-slim
         with:
           target: '${{ env.IMAGE_REPO_VISUAL_REGRESSION }}:baseline'
           tag: baseline-slim
-        env:
-          DSLIM_PRESERVE_PATH: /usr/share/nginx/html
       - name: Push slim image
         run: |
           docker push $IMAGE_REPO_VISUAL_REGRESSION:baseline-slim

.github/workflows/release-please.yml

@@ -96,20 +96,16 @@ jobs:
           VERSION: ${{ steps.release.outputs.version }}
       - name: Build slim image with version
         if: ${{ steps.release.outputs.release_created }}
-        uses: kitabisa/docker-slim-action@v1
+        uses: ./.github/actions/docker-slim
         with:
           target: '${{ env.IMAGE_REPO_STORYBOOK }}:${{ steps.release.outputs.version }}'
           tag: '${{ steps.release.outputs.version }}-slim'
-        env:
-          DSLIM_PRESERVE_PATH: /usr/share/nginx/html
       - name: Build slim image with latest
         if: ${{ steps.release.outputs.release_created }}
-        uses: kitabisa/docker-slim-action@v1
+        uses: ./.github/actions/docker-slim
         with:
           target: '${{ env.IMAGE_REPO_STORYBOOK }}:latest'
           tag: latest-slim
-        env:
-          DSLIM_PRESERVE_PATH: /usr/share/nginx/html
       - name: Push slim image
         if: ${{ steps.release.outputs.release_created }}
         run: |
@@ -125,12 +121,10 @@ jobs:
         env:
           DOCKER_BUILDKIT: 1
       - name: Build slim image with dev
-        uses: kitabisa/docker-slim-action@v1
+        uses: ./.github/actions/docker-slim
         with:
           target: '${{ env.IMAGE_REPO_STORYBOOK }}:dev'
           tag: dev-slim
-        env:
-          DSLIM_PRESERVE_PATH: /usr/share/nginx/html
       - name: Push slim image
         run: |
           docker push $IMAGE_REPO_STORYBOOK:dev-slim