Add OCI containers

.github/workflows/container-build-push.yml

@@ -0,0 +1,43 @@
+# This workflow builds and pushes the docker image for Cobbler-TFTP to "ghcr.io".
+
+name: Create and publish a Docker image
+
+on:
+  push:
+    branches: ['main']
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Log in to the Container registry
+        # https://github.com/docker/login-action
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Extract metadata (tags, labels) for Docker
+        # https://github.com/docker/metadata-action
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+      - name: Build and push Docker image
+        # https://github.com/docker/build-push-action
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: docker/production/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.readthedocs.yml

@@ -16,3 +16,5 @@ formats: all
 python:
   install:
     - requirements: docs/requirements.rtd.txt
+    - method: pip
+      path: .

changelog.d/4.added

@@ -0,0 +1 @@
+Add dockerfiles for image based deployments

docker/develop/Dockerfile

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+# vim: ft=dockerfile
+
+FROM opensuse/tumbleweed
+
+# Define labels according to https://en.opensuse.org/Building_derived_containers
+# labelprefix=org.opensuse.example
+LABEL org.opencontainers.image.title="cobbler-tftp"
+LABEL org.opencontainers.image.description="This image runs the (nearly) stateless Cobbler TFTP server."
+LABEL org.opencontainers.image.version="dev.%RELEASE%"
+LABEL org.opensuse.reference="registry.opensuse.org/systemsmanagement/cobbler/dev/cobbler-tftp:dev.%RELEASE%"
+LABEL org.openbuildservice.disturl="%DISTURL%"
+LABEL org.opencontainers.image.created="%BUILDTIME%"
+# endlabelprefix
+
+# ENV Variables we are using.
+ENV container docker
+
+# Custom repository
+RUN zypper ar https://download.opensuse.org/repositories/systemsmanagement:/cobbler:/release34/openSUSE_Tumbleweed/ "Cobbler 3.4.x release project" \
+    && zypper --gpg-auto-import-keys refresh
+
+# Dependencies
+RUN zypper in -y git \
+    python3-devel \
+    python3-pip \
+    && zypper clean
+
+WORKDIR /code
+EXPOSE 69/UDP
+CMD ["/code/docker/develop/entrypoint.sh"]

docker/develop/entrypoint.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/bash
+
+pip3 install --break-system-packages -e .
+cobbler-tftp start --no-daemon

docker/production/Dockerfile

@@ -0,0 +1,33 @@
+# vim: ft=dockerfile
+# Define the names/tags of the container
+#!BuildTag: cobbler-test-github:release33 cobbler-test-github:release33.%RELEASE%
+
+# We are using https://github.com/hadolint/hadolint to lint our Dockerfile.
+# We don't want to version pin our dependencies for testing. Always retrieve what is up to date.
+# hadolint global ignore=DL3037
+
+FROM opensuse/leap:15.6
+
+# Define labels according to https://en.opensuse.org/Building_derived_containers
+# labelprefix=org.opensuse.example
+LABEL org.opencontainers.image.title="cobbler-tftp"
+LABEL org.opencontainers.image.description="This image runs the (nearly) stateless Cobbler TFTP server."
+LABEL org.opencontainers.image.version="release34.%RELEASE%"
+LABEL org.opensuse.reference="registry.opensuse.org/systemsmanagement/cobbler/release34/cobbler-tftp:release34.%RELEASE%"
+LABEL org.openbuildservice.disturl="%DISTURL%"
+LABEL org.opencontainers.image.created="%BUILDTIME%"
+# endlabelprefix
+
+# ENV Variables we are using.
+ENV container docker
+
+# Custom repository
+RUN zypper ar https://download.opensuse.org/repositories/systemsmanagement:/cobbler:/release34/15.6/ "Cobbler 3.4.x release project" \
+    && zypper --gpg-auto-import-keys refresh
+
+# Dev Dependencies
+RUN zypper in -y cobbler-tftp \
+    && zypper clean
+
+EXPOSE 69/UDP
+CMD ["cobbler-tftp", "--no-daemon"]

docker/rolling/Dockerfile

@@ -0,0 +1,33 @@
+# vim: ft=dockerfile
+# Define the names/tags of the container
+#!BuildTag: cobbler-test-github:release33 cobbler-test-github:release33.%RELEASE%
+
+# We are using https://github.com/hadolint/hadolint to lint our Dockerfile.
+# We don't want to version pin our dependencies for testing. Always retrieve what is up to date.
+# hadolint global ignore=DL3037
+
+FROM opensuse/tumbleweed:latest
+
+# Define labels according to https://en.opensuse.org/Building_derived_containers
+# labelprefix=org.opensuse.example
+LABEL org.opencontainers.image.title="cobbler-tftp"
+LABEL org.opencontainers.image.description="This image runs the (nearly) stateless Cobbler TFTP server."
+LABEL org.opencontainers.image.version="rolling.%RELEASE%"
+LABEL org.opensuse.reference="registry.opensuse.org/systemsmanagement/cobbler/containers/cobbler-tftp:rolling.%RELEASE%"
+LABEL org.openbuildservice.disturl="%DISTURL%"
+LABEL org.opencontainers.image.created="%BUILDTIME%"
+# endlabelprefix
+
+# ENV Variables we are using.
+ENV container docker
+
+# Custom repository
+RUN zypper ar https://download.opensuse.org/repositories/systemsmanagement:/cobbler:/release34/openSUSE_Tumbleweed/ "Cobbler 3.4.x release project" \
+    && zypper --gpg-auto-import-keys refresh
+
+# Dependencies
+RUN zypper in -y cobbler-tftp \
+    && zypper clean
+
+EXPOSE 69/UDP
+CMD ["cobbler-tftp", "start", "--no-daemon"]