feat: update CI/CD to use Bun

- Update Dockerfile to use oven/bun:alpine image
- Update PR workflow to use Bun (oven/setup-bun action)
- Update Test workflow to use Bun
- Update Release workflow to use Bun
- Remove test.yml workflow (redundant with PR workflow)
- Update Docker build commands to use Bun
- Docker build verified working

Dockerfile

@@ -1,9 +1,9 @@
 # Multi-stage build for EuchreCamp Next.js application
 
 # Stage 1: Builder
-FROM node:20-alpine AS builder
+FROM oven/bun:alpine AS builder
 
-# Install dependencies
+# Install dependencies (needed for native modules)
 RUN apk add --no-cache python3 make g++
 
 # Set working directory
@@ -13,21 +13,21 @@ WORKDIR /app
 COPY package*.json ./
 
 # Install dependencies (including dev dependencies for building)
-RUN npm ci
+RUN bun install
 
 # Copy source code
 COPY . .
 
 # Generate Prisma client (with dummy PostgreSQL DATABASE_URL for build-time generation)
 # Note: A dummy URL is used since the real database is not available during build
-RUN DATABASE_URL="postgresql://user:pass@localhost:5432/dummy" npx prisma generate
+RUN DATABASE_PROVIDER=postgresql DATABASE_URL="postgresql://user:pass@localhost:5432/dummy" bun x prisma generate
 
 # Build the application (with dummy DATABASE_URL for static page generation and git commit)
 ARG GIT_COMMIT=unknown
-RUN DATABASE_URL="postgresql://user:pass@localhost:5432/dummy" NEXT_PUBLIC_GIT_COMMIT=$GIT_COMMIT npm run build
+RUN DATABASE_PROVIDER=postgresql DATABASE_URL="postgresql://user:pass@localhost:5432/dummy" NEXT_PUBLIC_GIT_COMMIT=$GIT_COMMIT bun run build
 
 # Stage 2: Test runner (includes dev dependencies for testing)
-FROM node:20-alpine AS test-runner
+FROM oven/bun:alpine AS test-runner
 
 # Install dependencies
 RUN apk add --no-cache python3 make g++ git
@@ -39,16 +39,16 @@ WORKDIR /app
 COPY package*.json ./
 
 # Install ALL dependencies (including dev dependencies for testing)
-RUN npm ci
+RUN bun install
 
 # Copy source code
 COPY . .
 
 # Generate Prisma client
-RUN DATABASE_URL="postgresql://user:pass@localhost:5432/dummy" npx prisma generate
+RUN DATABASE_PROVIDER=postgresql DATABASE_URL="postgresql://user:pass@localhost:5432/dummy" bun x prisma generate
 
 # Stage 3: Production runner
-FROM node:20-alpine AS runner
+FROM oven/bun:alpine AS runner
 
 # Install dumb-init for proper signal handling
 RUN apk add --no-cache dumb-init
@@ -64,15 +64,15 @@ WORKDIR /app
 COPY --from=builder --chown=euchre:euchre /app/.next ./.next
 COPY --from=builder --chown=euchre:euchre /app/public ./public
 COPY --from=builder --chown=euchre:euchre /app/package.json ./package.json
-COPY --from=builder --chown=euchre:euchre /app/package-lock.json ./package-lock.json
+COPY --from=builder --chown=euchre:euchre /app/bun.lockb ./bun.lockb
 COPY --from=builder --chown=euchre:euchre /app/prisma ./prisma
 
 # Install only production dependencies
-RUN npm ci --omit=dev
+RUN bun install --production
 
 # Generate Prisma client
 # Note: We need to set DATABASE_URL even for generation because prisma.config.ts requires it
-RUN DATABASE_URL="postgresql://user:pass@localhost:5432/dummy" npx prisma generate
+RUN DATABASE_PROVIDER=postgresql DATABASE_URL="postgresql://user:pass@localhost:5432/dummy" bun x prisma generate
 
 # Switch to non-root user
 USER euchre
@@ -86,4 +86,4 @@ HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
 
 # Start command
 ENTRYPOINT ["dumb-init", "--"]
-CMD ["npm", "start"]
+CMD ["bun", "run", "start"]