Dockerfile.dev

# Self-contained Docker build following the exact optimization pattern from reference
# Stage 1 - Builder
FROM oven/bun:1 AS builder

WORKDIR /app

# Copy package files first (for better layer caching)
COPY package.json bun.lock ./
RUN bun install --frozen-lockfile

# Copy source code and build
COPY . .
RUN bun run build

# Clean node_modules and install only production dependencies
RUN rm -rf node_modules && bun install --frozen-lockfile --production

# Stage 2 - Runtime: Pure Alpine with only Node.js runtime
FROM alpine AS runtime

WORKDIR /app

# Install only Node.js runtime (saves 50-80MB vs node:22-alpine)
RUN apk add --no-cache nodejs-lts

# Copy only what's needed for production
COPY --from=builder /app/package.json ./
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/.output ./.output

# Set runtime environment
ENV NODE_ENV=production
ENV PORT=3000

# Add healthcheck
HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1

EXPOSE 3000
CMD ["node", ".output/server/index.mjs"]