From adf20693c5827f06ace362b8c5d01c8f3815e691 Mon Sep 17 00:00:00 2001
From: David Gwilliam <dhgwilliam@gmail.com>
Date: Tue, 31 Mar 2026 22:11:20 -0700
Subject: [PATCH] ci: add CI image builder workflow and Dockerfile

---
 .gitea/workflows/ci-image-builder.yml | 82 +++++++++++++++++++++++++++
 Dockerfile.ci                         | 46 +++++++++++++++
 2 files changed, 128 insertions(+)
 create mode 100644 .gitea/workflows/ci-image-builder.yml
 create mode 100644 Dockerfile.ci

diff --git a/.gitea/workflows/ci-image-builder.yml b/.gitea/workflows/ci-image-builder.yml
new file mode 100644
index 0000000..05f057b
--- /dev/null
+++ b/.gitea/workflows/ci-image-builder.yml
@@ -0,0 +1,82 @@
+# CI Image Builder Workflow
+# Automatically builds and pushes CI images when dependencies change
+# Uses GitHub Container Registry (GHCR) or any container registry
+
+name: CI Image Builder
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'package.json'
+      - 'package-lock.json'
+      - 'Dockerfile.ci'
+      - '.gitea/workflows/ci-image-builder.yml'
+  workflow_dispatch:
+    inputs:
+      force_rebuild:
+        description: 'Force rebuild even if no changes detected'
+        required: false
+        default: 'false'
+        type: boolean
+
+env:
+  # Use GHCR or your own registry
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}/ci-runner
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=sha,prefix={{branch}}-
+            type=ref,event=branch
+            type=ref,event=pr
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Build and push CI image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: Dockerfile.ci
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Update workflow documentation
+        run: |
+          echo "CI Image built and pushed successfully!"
+          echo ""
+          echo "Available tags:"
+          echo "  - ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest"
+          echo "  - ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.sha }}"
+          echo ""
+          echo "To use in workflows:"
+          echo "  container:"
+          echo "    image: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest"
diff --git a/Dockerfile.ci b/Dockerfile.ci
new file mode 100644
index 0000000..36429f2
--- /dev/null
+++ b/Dockerfile.ci
@@ -0,0 +1,46 @@
+# CI Runner Image for EuchreCamp
+# Pre-installed with all dependencies to speed up CI runs
+# This image is rebuilt automatically when package.json changes
+
+FROM node:20-alpine
+
+# Install system dependencies needed for various tasks
+RUN apk add --no-cache \
+    bash \
+    git \
+    curl \
+    python3 \
+    make \
+    g++ \
+    && rm -rf /var/cache/apk/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files first (for better caching)
+COPY package*.json ./
+
+# Install ALL dependencies including dev dependencies
+# This is done at image build time, not at CI runtime
+RUN npm ci
+
+# Copy Prisma schema (needed for Prisma client generation)
+COPY prisma/schema.prisma ./prisma/
+
+# Generate Prisma client
+RUN npx prisma generate
+
+# Copy the rest of the application
+COPY . .
+
+# Set environment variables for CI environment
+ENV NODE_ENV=production
+ENV DATABASE_PROVIDER=sqlite
+ENV DATABASE_URL=file:./prisma/ci.db
+ENV BETTER_AUTH_SECRET=test-secret-key-for-ci-only
+
+# Verify installations
+RUN node --version && npm --version && git --version && npx prisma --version
+
+# Default command
+CMD ["/bin/sh"]