add github ci

.github/workflows/ci.yml

@@ -0,0 +1,212 @@
+# GitHub Actions CI/CD Configuration for Towerops Agent
+# Builds and publishes Docker image to GitHub Container Registry
+
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - '**'
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - main
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: "1.91"
+          components: rustfmt, clippy
+
+      - name: Install protobuf compiler
+        run: sudo apt-get update && sudo apt-get install -y protobuf-compiler
+
+      - name: Cache cargo registry
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-
+
+      - name: Check
+        run: cargo check --release
+
+      - name: Format check
+        run: cargo fmt -- --check
+
+      - name: Test
+        run: cargo test
+
+      # Temporarily disabled:
+      # - name: Clippy
+      #   run: cargo clippy -- -D warnings
+
+  build-branch:
+    name: Build (Branch)
+    needs: test
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && github.ref != 'refs/heads/main' && !startsWith(github.ref, 'refs/tags/')
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - 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: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract branch name
+        id: branch
+        run: echo "name=${GITHUB_REF#refs/heads/}" >> $GITHUB_OUTPUT
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.branch.outputs.name }}
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.sha }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+  build-main:
+    name: Build (Main)
+    needs: test
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Needed for git describe
+
+      - 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: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Generate version info
+        id: version
+        run: |
+          VERSION=$(git describe --tags --always --dirty=-modified | sed 's/^v//')
+          TIMESTAMP=$(date +%Y%m%d-%H%M%S)
+          SHORT_SHA=${GITHUB_SHA::7}
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+          echo "timestamp=$TIMESTAMP" >> $GITHUB_OUTPUT
+          echo "short_sha=$SHORT_SHA" >> $GITHUB_OUTPUT
+          echo "Building version $VERSION at $TIMESTAMP"
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64
+          push: true
+          build-args: |
+            VERSION=${{ steps.version.outputs.version }}
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:main
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.version }}
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:main-${{ steps.version.outputs.short_sha }}
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:main-${{ steps.version.outputs.timestamp }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Summary
+        run: |
+          echo "### Built and pushed with tags:" >> $GITHUB_STEP_SUMMARY
+          echo "- \`latest\` (for production)" >> $GITHUB_STEP_SUMMARY
+          echo "- \`main\` (for Watchtower tracking)" >> $GITHUB_STEP_SUMMARY
+          echo "- \`${{ steps.version.outputs.version }}\` (git describe)" >> $GITHUB_STEP_SUMMARY
+          echo "- \`main-${{ steps.version.outputs.short_sha }}\` (commit)" >> $GITHUB_STEP_SUMMARY
+          echo "- \`main-${{ steps.version.outputs.timestamp }}\` (timestamp)" >> $GITHUB_STEP_SUMMARY
+
+  release:
+    name: Release (Multi-arch)
+    needs: test
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - 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: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract version from tag
+        id: version
+        run: |
+          TAG=${GITHUB_REF#refs/tags/}
+          VERSION=${TAG#v}
+          echo "tag=$TAG" >> $GITHUB_OUTPUT
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+          echo "Releasing version: $VERSION"
+
+      - name: Build and push (multi-arch)
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          build-args: |
+            VERSION=${{ steps.version.outputs.version }}
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.version }}
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.tag }}
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Summary
+        run: |
+          echo "### Released version: ${{ steps.version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
+          echo "Multi-architecture build (amd64, arm64)" >> $GITHUB_STEP_SUMMARY