Add Dockerfile and deploy workflow for ghcr.io/hanzoai/sql

- Dockerfile: pgvector/pgvector:pg17 base, copies init.sql, tuned postgres config
- deploy.yml: builds multi-platform (amd64/arm64), pushes to GHCR and Docker Hub
- Deploy jobs roll out to hanzo-k8s and lux-k8s clusters

Author: zeekay

.github/workflows/deploy.yml

@@ -0,0 +1,89 @@
+name: Build and Deploy Hanzo SQL
+
+on:
+  push:
+    branches: [master, main]
+    paths:
+      - 'hanzo/**'
+      - 'Dockerfile'
+      - '.github/workflows/deploy.yml'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          registry: docker.io
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            ghcr.io/hanzoai/sql:latest
+            ghcr.io/hanzoai/sql:${{ github.sha }}
+            docker.io/hanzoai/sql:latest
+          cache-from: type=gha,scope=sql
+          cache-to: type=gha,mode=max,scope=sql
+
+  deploy-hanzo:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install doctl
+        uses: digitalocean/action-doctl@v2
+        with:
+          token: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}
+
+      - name: Configure kubectl (hanzo-k8s)
+        run: doctl kubernetes cluster kubeconfig save do-sfo3-hanzo-k8s
+
+      - name: Rolling update postgres
+        run: |
+          kubectl -n hanzo set image statefulset/postgres \
+            postgres=ghcr.io/hanzoai/sql:latest
+          kubectl -n hanzo rollout status statefulset/postgres --timeout=120s
+
+  deploy-lux:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install doctl
+        uses: digitalocean/action-doctl@v2
+        with:
+          token: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}
+
+      - name: Configure kubectl (lux-k8s)
+        run: doctl kubernetes cluster kubeconfig save do-sfo3-lux-k8s
+
+      - name: Rolling update postgres
+        run: |
+          kubectl -n hanzo set image statefulset/hanzo-postgres \
+            postgres=ghcr.io/hanzoai/sql:latest
+          kubectl -n hanzo rollout status statefulset/hanzo-postgres --timeout=120s

Dockerfile

@@ -0,0 +1,36 @@
+ARG PG_VERSION=pg17
+
+# Hanzo SQL: PostgreSQL + pgvector with Hanzo defaults
+FROM pgvector/pgvector:${PG_VERSION}
+
+LABEL maintainer="dev@hanzo.ai"
+LABEL org.opencontainers.image.source="https://github.com/hanzoai/postgres"
+LABEL org.opencontainers.image.description="Hanzo SQL - PostgreSQL with pgvector and Hanzo defaults"
+
+# Copy initialization scripts
+COPY hanzo/init.sql /docker-entrypoint-initdb.d/00-hanzo-init.sql
+
+ENV POSTGRES_DB=hanzo
+ENV POSTGRES_USER=hanzo
+ENV PGDATA=/var/lib/postgresql/data/pgdata
+
+EXPOSE 5432
+
+HEALTHCHECK --interval=10s --timeout=5s --start-period=30s --retries=5 \
+    CMD pg_isready -U hanzo -d hanzo || exit 1
+
+CMD ["postgres", \
+     "-c", "shared_buffers=256MB", \
+     "-c", "effective_cache_size=768MB", \
+     "-c", "maintenance_work_mem=128MB", \
+     "-c", "checkpoint_completion_target=0.9", \
+     "-c", "wal_buffers=16MB", \
+     "-c", "default_statistics_target=100", \
+     "-c", "random_page_cost=1.1", \
+     "-c", "effective_io_concurrency=200", \
+     "-c", "work_mem=16MB", \
+     "-c", "min_wal_size=256MB", \
+     "-c", "max_wal_size=1GB", \
+     "-c", "max_worker_processes=4", \
+     "-c", "max_parallel_workers_per_gather=2", \
+     "-c", "max_parallel_workers=4"]