Dockerfile

# Multi-stage build for optimized production image
FROM oven/bun:1-alpine AS builder

# Set working directory
WORKDIR /app

# Copy package files and lockfile
COPY package.json bun.lock ./

# Install ALL dependencies (including devDependencies needed for build)
RUN bun install --frozen-lockfile

# Copy source code
COPY . .

# Build the application
RUN bun run build

# Production stage
FROM nginx:1-alpine

# Copy custom nginx config
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Copy built assets from builder stage
COPY --from=builder /app/dist /usr/share/nginx/html

# Security: Run nginx as non-root user
RUN chown -R nginx:nginx /usr/share/nginx/html && \
    chown -R nginx:nginx /var/cache/nginx && \
    chown -R nginx:nginx /var/log/nginx && \
    touch /var/run/nginx.pid && \
    chown -R nginx:nginx /var/run/nginx.pid

# Add healthcheck
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget --quiet --tries=1 --spider http://localhost/ || exit 1

# Expose port 80
EXPOSE 80

# Start nginx
CMD ["nginx", "-g", "daemon off;"]