feat: add wal2json support (#6)

* feat: add wal2json to docker image

* chore: clone to subdirectory

* chore: add clang

* chore: add llvm

Author: wopian

.github/workflows/publish-beta.yml

@@ -0,0 +1,44 @@
+name: Publish to Docker (beta)
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - beta
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Extract repository name
+        run: |
+          repo_name="${GITHUB_REPOSITORY#*/}"
+          repo_name_lowercase=$(echo "$repo_name" | tr '[:upper:]' '[:lower:]')  # convert to lowercase
+          echo "Repository name: $repo_name_lowercase"
+          echo "REPO_NAME=$repo_name_lowercase" >> $GITHUB_ENV
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ghcr.io/${{ github.repository_owner }}/${{ env.REPO_NAME }}:beta

Dockerfile

@@ -1,3 +1,23 @@
 FROM postgres:17-alpine
 
 RUN apk add --no-cache aws-cli
+
+# Install dependencies for wal2json
+RUN apk add --no-cache \
+    build-base \
+    git \
+    postgresql-dev \
+	clang \
+	llvm
+
+# Clone the wal2json repository
+RUN git clone https://github.com/eulerto/wal2json.git ./wal2json
+
+# Build and install wal2json
+RUN cd /wal2json && \
+    USE_PGXS=1 make && \
+    USE_PGXS=1 make install
+
+# Clean up build dependencies
+RUN apk del build-base git postgresql-dev clang llvm && \
+    rm -rf ./wal2json