Files
local-cal/Dockerfile
Dmytro Stanchiev d7c66691a1 improve dockerfile
- multi-stage build
- standalone output
- layer caching
- production dependencies
2025-08-16 08:51:26 -04:00

61 lines
1.3 KiB
Docker

# syntax=docker.io/docker/dockerfile:1
# Use multi-stage build for optimization
FROM oven/bun:1.2.10-alpine AS base
# Install dependencies only when needed
FROM base AS deps
WORKDIR /app
# Copy package files
COPY package.json bun.lock* ./
# Install dependencies
RUN bun install --frozen-lockfile --production
# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
# Copy dependencies from deps stage
COPY --from=deps /app/node_modules ./node_modules
COPY . .
# Configure Next.js for standalone output
ENV NEXT_TELEMETRY_DISABLED=1
# Build the application
RUN bun run build
# Production image, copy all the files and run next
FROM oven/bun:1.2.10-alpine AS runner
WORKDIR /app
# Create non-root user for security
# RUN addgroup --system --gid 1001 nodejs
# RUN adduser --system --uid 1001 nextjs
# Copy necessary files from builder stage
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
# Set environment variables
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"
# Switch to non-root user
USER bun
# Expose port
EXPOSE 3000
# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
CMD bun --version || exit 1
# Start the application
CMD ["bun", "run", "server.js"]