added gitea workflow

.gitea/actions/containerd-build/action.yml

@@ -0,0 +1,57 @@
+name: containerd-build
+description: Builds a containerd image.
+inputs:
+  registry_host:
+    description: A containerd registry host.
+    required: false
+    default: ${{ vars.INTELIGR8_REGISTRY_HOST }}
+  image_namespace:
+    description: A containerd image prefix.
+    required: false
+    default: ${{ vars.INTELIGR8_IMAGE_NAMESPACE }}
+  image_name:
+    description: A containerd image name, without the host and prefix.
+    required: true
+  build_opts:
+    description: A string of options for the containerd CLI build command.
+    required: false
+    default: --quiet
+runs:
+  using: "composite"
+  steps:
+    - id: containerd_debug
+      uses: ./.gitea/actions/containerd-debug
+    - id: skopeo_inspect
+      uses: ./.gitea/actions/skopeo-inspect
+      with:
+        image_name: base-runner
+    - id: containerd_build
+      working-directory: containerd
+      env:
+        REGISTRY_HOST: ${{ inputs.registry_host }}
+        IMAGE_NAMESPACE: ${{ inputs.image_namespace }}
+        IMAGE_NAME: ${{ inputs.image_name }}
+        CONTAINERD_CMD: buildah
+        CONTAINERD_BUILD_FORMAT: docker
+        CONTAINERD_BUILD_OPTS: ${{ inputs.build_opts }}
+        CONTAINERD_CMD_DEBUG_OPTS: ${{ steps.containerd_debug.outputs.containerd_cmd_debug_opts }}
+        CONTAINERD_IMAGE_EXISTS: ${{ steps.skopeo_inspect.outputs.image_exists }}
+      shell: bash
+      run: |
+        if (( ${CONTAINERD_IMAGE_EXISTS} == "true" )); then
+          echo "Container image already built; skipping rebuild"
+        else
+          GIT_COMMIT_SHORT_SHA=${GITHUB_SHA::8}
+          IMAGE_REMOTE_NAME=${REGISTRY_HOST}/${IMAGE_NAMESPACE}${IMAGE_NAME}
+        
+          echo "image_tag=sha${GIT_COMMIT_SHORT_SHA}" >> $GITHUB_OUTPUT
+        
+          echo "Building container image"
+          ${CONTAINERD_CMD} ${CONTAINERD_CMD_OPTS} ${CONTAINERD_CMD_DEBUG_OPTS} build \
+            --format=${CONTAINERD_BUILD_FORMAT} \
+            ${CONTAINERD_BUILD_OPTS} \
+            --tag ${IMAGE_REMOTE_NAME}:sha${GIT_COMMIT_SHORT_SHA}
+outputs:
+  image_tag:
+    description: The resultant containerd image tag.
+    value: ${{ steps.containerd_build.outputs.image_tag }}

.gitea/actions/containerd-debug/action.yml

@@ -0,0 +1,37 @@
+name: containerd-debug
+description: Conditionally enable debug for containerd related executions.
+inputs:
+  debug:
+    description: Enable debug?
+    required: false
+    default: ${{ vars.CONTAINERD_DEBUG }}
+runs:
+  using: "composite"
+  steps:
+    - id: skopeo_debug
+      name: Enable skopeo debugging
+      env:
+        DEBUG: ${{ inputs.debug }}
+      shell: bash
+      run: |
+        if [[ ! -z ${DEBUG} ]]; then
+          echo "SKOPEO_OPTS=\"${SKOPEO_OPTS} --debug\"" >> $GITHUB_ENV
+          echo "skopeo_debug_opts=\"--debug\"" >> $GITHUB_OUTPUT
+        fi
+    - id: containerd_debug
+      name: Enable containerd debugging
+      env:
+        DEBUG: ${{ inputs.debug }}
+      shell: bash
+      run: |
+        if [[ ! -z ${DEBUG} ]]; then
+          echo "CONTAINERD_CMD_OPTS=\"${CONTAINERD_CMD_OPTS} --log-level=debug\"" >> $GITHUB_ENV
+          echo "containerd_cmd_debug_opts=\"--log-level=debug\"" >> $GITHUB_OUTPUT
+        fi
+outputs:
+  skopeo_debug_opts:
+    description: empty if no debug; otherwise debug enablement options for the `skopeo` CLI command.
+    value: ${{ steps.skopeo_debug.outputs.skopeo_debug_opts }}
+  containerd_cmd_debug_opts:
+    description: empty if no debug; otherwise debug enablement options for the containerd CLI command.
+    value: ${{ steps.containerd_debug.outputs.containerd_cmd_debug_opts }}

.gitea/actions/containerd-push/action.yml

@@ -0,0 +1,59 @@
+name: containerd-build
+description: Pushes a containerd image.
+inputs:
+  registry_host:
+    description: A containerd registry host.
+    required: false
+    default: ${{ vars.INTELIGR8_REGISTRY_HOST }}
+  image_namespace:
+    description: A containerd image prefix.
+    required: false
+    default: ${{ vars.INTELIGR8_IMAGE_NAMESPACE }}
+  image_name:
+    description: A containerd image name, without the host and prefix.
+    required: true
+  target_image_tag:
+    description: A new tag for the specified containerd image.
+    required: false
+  push_opts:
+    description: A string of options for the containerd CLI build command.
+    required: false
+    default: --quiet
+runs:
+  using: "composite"
+  steps:
+    - id: containerd_debug
+      uses: ./.gitea/actions/containerd-debug
+    - id: containerd_push
+      working-directory: containerd
+      env:
+        REGISTRY_HOST: ${{ inputs.registry_host }}
+        IMAGE_NAMESPACE: ${{ inputs.image_namespace }}
+        IMAGE_NAME: ${{ inputs.image_name }}
+        TARGET_IMAGE_TAG: ${{ inputs.target_image_tag }}
+        CONTAINERD_CMD: buildah
+        CONTAINERD_PUSH_OPTS: ${{ inputs.push_opts }}
+        CONTAINERD_CMD_DEBUG_OPTS: ${{ steps.containerd_debug.outputs.containerd_cmd_debug_opts }}
+      shell: bash
+      run: |
+        IMAGE_REMOTE_NAME=${REGISTRY_HOST}/${IMAGE_NAMESPACE}${IMAGE_NAME}
+        
+        if [[ -z ${TARGET_IMAGE_TAG} ]]; then
+          GIT_COMMIT_SHORT_SHA=${GITHUB_SHA::8}
+          echo "Pushing container image to registry with commit SHA: ${GIT_COMMIT_SHORT_SHA}"
+          TARGET_IMAGE_TAG=sha${GIT_COMMIT_SHORT_SHA}
+        else
+          SOURCE_IMAGE_TAG=sha${GIT_COMMIT_SHORT_SHA}
+          echo "Synchronizing container image from registry for tag: ${SOURCE_IMAGE_TAG}"
+          ${CONTAINERD_CMD} ${CONTAINERD_CMD_OPTS} pull \
+            ${CONTAINERD_IMAGE_REMOTE_NAME}:${SOURCE_IMAGE_TAG}
+        
+          echo "Tagging container image to registry with version: ${TARGET_IMAGE_TAG}"
+          ${CONTAINERD_CMD} ${CONTAINERD_CMD_OPTS} ${CONTAINERD_CMD_DEBUG_OPTS} tag \
+            ${CONTAINERD_IMAGE_REMOTE_NAME}:${SOURCE_IMAGE_TAG} \
+            ${CONTAINERD_IMAGE_REMOTE_NAME}:${TARGET_IMAGE_TAG}
+        fi
+        
+        ${CONTAINERD_CMD} ${CONTAINERD_CMD_OPTS} ${CONTAINERD_CMD_DEBUG_OPTS} push \
+          ${CONTAINERD_PUSH_OPTS} \
+          ${IMAGE_REMOTE_NAME}:${TARGET_IMAGE_TAG}

.gitea/actions/skopeo-inspect/action.yml

@@ -0,0 +1,47 @@
+name: skopeo-inspect
+description: Check for the existence of a containerd image.
+inputs:
+  registry_host:
+    description: A containerd registry host.
+    required: false
+    default: ${{ vars.INTELIGR8_REGISTRY_HOST }}
+  image_namespace:
+    description: A containerd image prefix.
+    required: false
+    default: ${{ vars.INTELIGR8_IMAGE_NAMESPACE }}
+  image_name:
+    description: A containerd image name, without the host and prefix.
+    required: true
+runs:
+  using: "composite"
+  steps:
+    - id: containerd_debug
+      uses: ./.gitea/actions/containerd-debug
+    - id: skopeo_inspect
+      env:
+        REGISTRY_HOST: ${{ inputs.registry_host }}
+        IMAGE_NAMESPACE: ${{ inputs.image_namespace }}
+        IMAGE_NAME: ${{ inputs.image_name }}
+        SKOPEO_DEBUG_OPTS: ${{ steps.containerd_debug.outputs.skopeo_debug_opts }}
+      shell: bash
+      run: |
+        GIT_COMMIT_SHORT_SHA=${GITHUB_SHA::8}
+        IMAGE_REMOTE_NAME=${REGISTRY_HOST}/${IMAGE_NAMESPACE}${IMAGE_NAME}
+        
+        set +e
+        echo "Checking for image: ${IMAGE_REMOTE_NAME}:sha${GIT_COMMIT_SHORT_SHA}"
+        skopeo ${SKOPEO_OPTS} ${SKOPEO_DEBUG_OPTS} inspect docker://${IMAGE_REMOTE_NAME}:sha${GIT_COMMIT_SHORT_SHA}
+        SKOPEO_INSPECT_RC=$?
+        set -e
+        
+        if (( ${SKOPEO_INSPECT_RC} == 0 )); then
+          echo "Found image: ${IMAGE_REMOTE_NAME}:sha${GIT_COMMIT_SHORT_SHA}"
+          echo "image_exists=true" >> $GITHUB_OUTPUT
+        else
+          echo "Could not find image: ${IMAGE_REMOTE_NAME}:sha${GIT_COMMIT_SHORT_SHA}"
+          echo "image_exists=false" >> $GITHUB_OUTPUT
+        fi
+outputs:
+  image_exists:
+    description: `true` if the containerd image exists; `false` otherwise
+    value: ${{ steps.skopeo_inspect.outputs.image_exists }}

.gitea/workflows/ci.yaml

@@ -0,0 +1,35 @@
+name: Base Runner
+on: [push]
+
+env:
+  DEBIAN_VERSION: stable-20260824
+
+jobs:
+  Containerd-Build:
+    runs-on: containerd
+    steps:
+      - uses: https://git.inteligr8.com/inteligr8/git-actions/checkout@stable
+      - id: containerd_build
+        uses: ./.gitea/actions/containerd-build
+        with:
+          image_name: base-runner
+          build_opts: --build-arg DEBIAN_VERSION=${{ env.DEBIAN_VERSION }}
+  Containerd-Push-Sha:
+    runs-on: containerd
+    needs: Containerd-Build
+    steps:
+      - uses: https://git.inteligr8.com/inteligr8/git-actions/checkout@stable
+      - id: containerd_push_sha
+        uses: ./.gitea/actions/containerd-push
+        with:
+          image_name: base-runner
+  Containerd-Push-Ref:
+    runs-on: containerd
+    needs: Containerd-Build
+    steps:
+      - uses: https://git.inteligr8.com/inteligr8/git-actions/checkout@stable
+      - id: containerd_push_ref
+        uses: ./.gitea/actions/containerd-push
+        with:
+          image_name: base-runner
+          target_image_tag: ${{ gitea.ref_name }}

README.md

@@ -107,4 +107,4 @@ You are welcome to copy the repository, but please open an issue first to avoid
 
 ## References
 
-- [Debian Slim](https://github.com/linuxcontainers/debian-slim)
+- [Debian Slim](https://github.com/linuxcontainers/debian-slim)