Create sample docker images (#3)

.dockerignore

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+docker-images
+scyllaridae
+.git
+.github
+
+

.github/workflows/build-push.yml

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+name: build-push-ar
+on:
+  workflow_call:
+    inputs:
+      dockerFile:
+        required: true
+        type: string
+jobs:
+  build-push-ar:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+    - uses: 'actions/checkout@v4'
+
+    - name: Extract branch name as docker tag
+      shell: bash
+      run: |-
+        BRANCH=$(echo "${GITHUB_REF#refs/heads/}" | sed 's/[^a-zA-Z0-9._-]//g' | awk '{print substr($0, length($0)-120)}')
+        echo "branch=$BRANCH" >> $GITHUB_OUTPUT
+      id: extract_branch
+
+    - name: Extract tag name
+      shell: bash
+      run: |-
+        t=$(echo ${GITHUB_SHA} | cut -c1-7)
+        echo "tag=$t" >> $GITHUB_OUTPUT
+      id: extract_tag
+
+    - name: Setup docker build
+      shell: bash
+      run: |-
+        # aka base build
+        if [ ${{ inputs.dockerFile }} == "Dockerfile" ]; then
+          echo "image=scyllaridae" >> $GITHUB_OUTPUT
+          exit 0
+        fi
+
+        # put the YML file in place so it's copied into the Docker container
+        DIR=$(dirname "${{ inputs.dockerFile }}")
+        cp ./$DIR/scyllaridae.yml .
+        # name the docker image after the folder name prefixed by scyllaridae
+        # e.g. scyllaridae-curl
+        echo "image=scyllaridae-$(basename $DIR)" >> $GITHUB_OUTPUT
+      id: setup
+
+    - id: 'auth'
+      name: 'Authenticate to Google Cloud'
+      uses: 'google-github-actions/auth@v1'
+      with:
+        workload_identity_provider: ${{ secrets.GCLOUD_OIDC_POOL }}
+        create_credentials_file: true
+        service_account: ${{ secrets.GSA }}
+        token_format: 'access_token'
+
+    - uses: 'docker/login-action@v3'
+      name: 'Docker login'
+      with:
+        registry: 'us-docker.pkg.dev'
+        username: 'oauth2accesstoken'
+        password: '${{ steps.auth.outputs.access_token }}'
+
+    - name: Build and push
+      uses: docker/build-push-action@v5
+      with:
+        context: .
+        file: ${{ inputs.dockerFile }}
+        build-args: |
+          TAG=${{steps.extract_branch.outputs.branch}}
+          DOCKER_REPOSITORY=us-docker.pkg.dev/${{ secrets.GCLOUD_PROJECT }}/public
+        push: true
+        tags: |
+          us-docker.pkg.dev/${{ secrets.GCLOUD_PROJECT }}/public/${{steps.setup.outputs.image}}:${{steps.extract_branch.outputs.branch}}-${{steps.extract_tag.outputs.tag}}
+          us-docker.pkg.dev/${{ secrets.GCLOUD_PROJECT }}/public/${{steps.setup.outputs.image}}:${{steps.extract_branch.outputs.branch}}

.github/workflows/lint-test-build.yml

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+name: lint-test
+on:
+  push:
+
+permissions:
+  contents: read
+
+jobs:
+
+  lint-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v4
+
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: v1.54
+
+      - name: Install dependencies
+        run: go get .
+
+      - name: Build
+        run: go build -v ./...
+
+      - name: Put fixture in place
+        run: cp scyllaridae.example.yml scyllaridae.yml
+
+      - name: Test with the Go CLI
+        run: go test -v ./...
+
+  build-push-base:
+    needs: [lint-test]
+    uses: ./.github/workflows/build-push.yml
+    with:
+      dockerFile: Dockerfile
+    permissions:
+      contents: read
+      id-token: write
+    secrets: inherit
+
+  find-images:
+    needs: [build-push-base]
+    name: Find docker images needing built
+    runs-on: ubuntu-latest
+    outputs:
+      dockerFiles: ${{ steps.images.outputs.dockerFiles }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Find docker files
+        id: images
+        run: |
+          dockerFiles=$(find docker-images -name Dockerfile | jq -c --raw-input --slurp 'split("\n")| .[0:-1]')
+          echo "dockerFiles=$dockerFiles" >> $GITHUB_OUTPUT
+        env:
+          GITHUB_REF: ${{ github.ref }}
+
+  build-push:
+    needs: [find-images]
+    strategy:
+      matrix:
+        dockerFile: ${{ fromJson(needs.find-images.outputs.dockerFiles )}}
+    uses: ./.github/workflows/build-push.yml
+    with:
+      dockerFile: ${{ matrix.dockerFile }}
+    permissions:
+      contents: read
+      id-token: write
+    secrets: inherit

Dockerfile

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+FROM golang:1.21-alpine
+
+WORKDIR /app
+
+RUN apk update && \
+    apk add openssl && \
+  openssl s_client -connect helloworld.letsencrypt.org:443 -showcerts </dev/null 2>/dev/null | sed -e '/-----BEGIN/,/-----END/!d' | tee "/usr/local/share/ca-certificates/ca.crt" >/dev/null && \
+  update-ca-certificates
+
+COPY . ./
+RUN go mod download && \
+  go build -o /app/scyllaridae && \
+  go clean -cache -modcache
+
+ENTRYPOINT ["/app/scyllaridae"]

docker-images/curl/Dockerfile

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+ARG TAG=main
+ARG DOCKER_REPOSITORY=local
+FROM ${DOCKER_REPOSITORY}/scyllaridae:${TAG}
+
+RUN apk update && \
+    apk add --no-cache curl
+
+COPY scyllaridae.yml /app/scyllaridae.yml

docker-images/curl/scyllaridae.yml

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+destinationHttpMethod: GET
+forwardAuth: false
+allowedMimeTypes: [
+  "text/html"
+]
+cmdByMimeType:
+  default:
+    cmd: "curl"

docker-images/ffmpeg/Dockerfile

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+ARG TAG=main
+ARG DOCKER_REPOSITORY=local
+FROM ${DOCKER_REPOSITORY}/scyllaridae:${TAG}
+
+RUN apk update && \
+    apk add --no-cache ffmpeg
+
+COPY scyllaridae.yml /app/scyllaridae.yml

docker-images/ffmpeg/scyllaridae.yml

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+destinationHttpMethod: PUT
+allowedMimeTypes: [
+  "audio/*",
+  "video/*",
+  "image/jpeg",
+  "image/png"
+]
+cmdByMimeType:
+  "video/x-msvideo"
+    cmd: "ffmpeg"
+    args: [
+      "-i",
+      "-",
+      "%s",
+      "-f",
+      "avi"
+    ]
+  "video/ogg"
+    cmd: "ffmpeg"
+    args: [
+      "-i",
+      "-",
+      "%s",
+      "-f",
+      "ogg"
+    ]
+  "audio/x-wav"
+    cmd: "ffmpeg"
+    args: [
+      "-i",
+      "-",
+      "%s",
+      "-f",
+      "wav"
+    ]
+  "audio/mpeg"
+    cmd: "ffmpeg"
+    args: [
+      "-i",
+      "-",
+      "%s",
+      "-f",
+      "mp3"
+    ]
+  "audio/aac"
+    cmd: "ffmpeg"
+    args: [
+      "-i",
+      "-",
+      "%s",
+      "-f",
+      "m4a"
+    ]
+  "image/jpeg"
+    cmd: "ffmpeg"
+    args: [
+      "-i",
+      "-",
+      "%s",
+      "-f",
+      "image2pipe"
+    ]
+  "image/png"
+    cmd: "ffmpeg"
+    args: [
+      "-i",
+      "-",
+      "%s",
+      "-f",
+      "image2pipe"
+    ]
+  "video/mp4":
+    cmd: "ffmpeg"
+    args: [
+      "-i",
+      "-",
+      "%s",
+      "-vcodec",
+      "libx264",
+      "-preset",
+      "medium",
+      "-acodec",
+      "aac",
+      "-strict",
+      "-2",
+      "-ab",
+      "128k",
+      "-ac",
+      "2",
+      "-async",
+      "1",
+      "-movflags",
+      "faststart",
+      "-y",
+      "-f",
+      "mp4",
+      "-"
+    ]

docker-images/fits/Dockerfile

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+ARG TAG=main
+ARG DOCKER_REPOSITORY=local
+FROM ${DOCKER_REPOSITORY}/scyllaridae:${TAG}
+
+RUN apk update && \
+    apk add --no-cache curl
+
+COPY scyllaridae.yml /app/scyllaridae.yml

docker-images/fits/scyllaridae.yml

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+destinationHttpMethod: GET
+forwardAuth: false
+allowedMimeTypes: [
+  "*"
+]
+cmdByMimeType:
+  default:
+    cmd: "curl"
+    args: [
+      "http://fits:8080/fits/examine",
+      "-X",
+      "POST",
+      "-F",
+      "datafile=@-"
+    ]

docker-images/imagemagick/Dockerfile

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+ARG TAG=main
+ARG DOCKER_REPOSITORY=local
+FROM ${DOCKER_REPOSITORY}/scyllaridae:${TAG}
+
+RUN apk update && \
+    apk add --no-cache imagemagick
+
+COPY scyllaridae.yml /app/scyllaridae.yml

docker-images/imagemagick/scyllaridae.yml

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+destinationHttpMethod: PUT
+allowedMimeTypes: [
+  "text/html"
+]
+cmdByMimeType:
+  default:
+    cmd: "convert"

docker-images/tesseract/Dockerfile

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+ARG TAG=main
+ARG DOCKER_REPOSITORY=local
+FROM ${DOCKER_REPOSITORY}/scyllaridae:${TAG}
+
+RUN apk update && \
+    apk add --no-cache leptonica-dev \
+        tesseract-ocr \
+        tesseract-ocr-data-eng \
+        tesseract-ocr-data-fra \
+        tesseract-ocr-data-spa \
+        tesseract-ocr-data-ita \
+        tesseract-ocr-data-por \
+        tesseract-ocr-data-hin \
+        tesseract-ocr-data-deu \
+        tesseract-ocr-data-jpn \
+        tesseract-ocr-data-rus \
+        poppler-utils
+
+COPY scyllaridae.yml /app/scyllaridae.yml