init commit

.github/FUNDING.yml

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+patreon: bretfisher

.github/dependabot.yml

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+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/linters/.hadolint.yaml

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+ignored:
+  - DL3003 #ignore that we use cd sometimes
+  - DL3006 #image pin versions
+  - DL3008 #apt pin versions
+  - DL3018 #apk add pin versions
+  - DL3022 #bad rule for COPY --from
+  - DL3028 #gem install pin versions
+  - DL3059 #multiple consecutive runs
+  - DL4006 #we don't need pipefail in this
+  - SC2016 #we want single quotes sometimes

.github/linters/.markdown-lint.yml

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+# MD013/line-length - Line length
+MD013:
+  # Number of characters
+  line_length: 150
+  # Number of characters for headings
+  heading_line_length: 100
+  code_blocks: false

.github/workflows/docker-build-and-push.yaml

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+---
+name: Docker Build and Push Image
+
+on:
+  # we want pull requests so we can build(test) but not push to image registry
+  pull_request:
+    branches:
+      - 'main'
+    # only build when important files change
+    paths-ignore:
+      - 'README.md'
+      - '.github/workflows/linter.yml'
+      - '.github/linters/**'
+  push:
+    branches:
+      - 'main'
+    # only build when important files change
+    paths-ignore:
+      - 'README.md'
+      - '.github/workflows/linter.yml'
+      - '.github/linters/**'
+  schedule:
+    # re-run monthly to keep image fresh with upstream base images
+    # NOTE: GH will stop cron jobs in a stale repo (60 days)
+    # https://docs.github.com/en/actions/managing-workflow-runs/disabling-and-enabling-a-workflow
+    - cron: '0 12 15 * *'
+  # run whenever we want!
+  # workflow_dispatch:
+  # REUSABLE WORKFLOW with INPUTS
+  # to keep this workflow simple, assumptions are made:
+    # - only able to push to Docker Hub and or GHCR
+    # - Image name is name of GitHub repo
+    # - Dockerfile is in root of repo, named 'Dockerfile'
+    # - Builds on PR with tag of `prNUMBER` (same tag each PR push)
+    # - Builds on push to main branch with tag of `latest`
+    # ???? what else
+  workflow_call:
+    # allow reuse of this workflow in other repos
+    inputs:
+      # TODO: allow dynamic docker hub and ghcr
+      dockerhub-enabled:
+        description: Push images to Docker Hub
+
+        type: boolean
+      ghcr-enabled:
+      dockerhub-username:
+        description: Docker Hub username
+        required: false
+        type: string
+      context:
+        description: Docker context (path) to start build from
+        required: false
+        type: string
+        default: .
+      target:
+        description: Build stage to target
+        required: false
+        type: string
+      platforms:
+        description: Platforms to build for
+        required: false
+        type: string
+        # common ones: linux/amd64,linux/arm64,linux/arm/v7
+        default: linux/amd64
+      # TODO: does this work in calling repos?
+      image-names:
+        description: A list of the account/repo names for docker build
+        required: false
+        type: string
+        # the default will tag it same as repo name (for hub.docker.com) and
+        # ghcr.io/
+        default: |
+          ${{ github.repository }}
+          ghcr.io/${{ github.repository }}
+    secrets:
+      dockerhub-token:
+        description: Docker Hub token
+        required: false
+
+
+jobs:
+  build-and-push-image:
+    name: Build+Push
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2.4.0
+      -
+        # we need qemu and buildx so we can build multiple platforms later
+        name: Set up QEMU
+        id: qemu
+        uses: docker/setup-qemu-action@v1.2.0
+      -
+        # BuildKit (used with `docker buildx`) is the best way to build images
+        name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Login to DockerHub
+        if: ${{ inputs.dockerhub-enabled }}
+        uses: docker/login-action@v1
+        with:
+          username: ${{ inputs.dockerhub-username }}
+          password: ${{ secrets.dockerhub-token }}
+      -
+        name: Login to GHCR
+        if: ${{ inputs.ghcr-enabled }}
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Docker meta
+        id: docker_meta
+        uses: docker/metadata-action@v3.6.2
+        with:
+          # list of Docker images to use as base name for tags
+          images: ${{ inputs.image-names }}
+          flavor: |
+            latest=false
+          tags: |
+            type=raw,value=latest,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
+            type=ref,event=pr,prefix=pr
+      -
+        # this will build the images, once per platform,
+        # then push to both Docker Hub and GHCR
+        name: Docker Build and Push
+        id: docker_build_and_push
+        uses: docker/build-push-action@v2
+        with:
+          platforms: ${{ inputs.platforms }}
+          context: ${{ inputs.context }}
+          target: ${{ inputs.target }}
+          builder: ${{ steps.buildx.outputs.name }}
+          # it uses github cache API for faster builds:
+          # https://github.com/crazy-max/docker-build-push-action/blob/master/docs/advanced/cache.md#cache-backend-api
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          # for an approved pull_request, only push pr-specific tags
+          push: true
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}
+      -
+        name: Show image digest
+        run: echo ${{ steps.docker_build_and_push.outputs.digest }}

.github/workflows/linter.yaml

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+---
+name: Lint Code Base
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  call-super-linter:
+    # use Reusable Workflows to call my linter config remotely
+    # https://docs.github.com/en/actions/learn-github-actions/reusing-workflows
+    uses: bretfisher/super-linter-workflow/.github/workflows/super-linter.yaml@main
+    with:
+      # disable common code linters
+      devops-only: true
+      # prevent scanning a comma separated regex list
+      #filter-regex-exclude: .*compose-sample-3/html/.*