Dev docker flow: image publish only (#63)

* dev docker flow

* add publish time

* remove features

Author: reluctanthero104

.github/workflows/dev-docker.yml

@@ -0,0 +1,73 @@
+name: Dev Docker Build
+
+on:
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: "Branch to build from (defaults to main)"
+        required: false
+        type: string
+        default: "main"
+
+permissions:
+  contents: read
+  packages: write
+
+env:
+  CARGO_TERM_COLOR: always
+  CARGO_INCREMENTAL: 0
+
+jobs:
+  docker:
+    name: "Build and push ${{ inputs.branch }}"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.branch }}
+
+      - name: Generate image tag
+        id: tag
+        run: |
+          BRANCH="${{ inputs.branch }}"
+          # Sanitize branch name: replace any non-alphanumeric chars with -
+          SAFE_BRANCH=$(echo "$BRANCH" | sed 's/[^a-zA-Z0-9]/-/g' | sed 's/-\+/-/g' | sed 's/^-\|-$//g')
+          TIMESTAMP=$(date -u +%Y%m%d%H%M%S)
+          echo "value=${SAFE_BRANCH}-test-img-${TIMESTAMP}" >> $GITHUB_OUTPUT
+
+      - name: Free up disk space
+        run: |
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /opt/ghc
+          sudo rm -rf /usr/local/share/boost
+          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64
+          provenance: false
+          tags: ghcr.io/skardilabs/skardi/skardi-server:${{ steps.tag.outputs.value }}
+          cache-from: type=gha,scope=dev-${{ inputs.branch }}
+          cache-to: type=gha,mode=max,scope=dev-${{ inputs.branch }}
+
+      - name: Summary
+        run: |
+          echo "### Docker image published" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
+          echo "docker pull ghcr.io/skardilabs/skardi/skardi-server:${{ steps.tag.outputs.value }}" >> $GITHUB_STEP_SUMMARY
+          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY