61 lines
No EOL
2.1 KiB
Docker
61 lines
No EOL
2.1 KiB
Docker
# Syntax directive specifying the Dockerfile format version.
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# ==============================================================================
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# @file Dockerfile
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# @description Multi-stage Docker build for Next.js production deployments utilizing standalone output and secure user privileges.
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# Stage 1: Install Dependencies
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# ------------------------------------------------------------------------------
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FROM node:20-alpine AS deps
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WORKDIR /app
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# Copy package descriptors and install all project dependencies
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COPY package*.json ./
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RUN npm install
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# ------------------------------------------------------------------------------
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# Stage 2: Build Application
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# ------------------------------------------------------------------------------
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FROM node:20-alpine AS builder
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WORKDIR /app
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# Copy node_modules from the dependencies stage and source code
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COPY --from=deps /app/node_modules ./node_modules
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COPY . .
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# Argument aus docker-compose.yml übernehmen
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ARG DATABASE_URL
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ENV DATABASE_URL=$DATABASE_URL
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# Build the Next.js application for production
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RUN npm run build
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# ------------------------------------------------------------------------------
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# Stage 3: Production Execution Server
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# ------------------------------------------------------------------------------
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FROM node:20-alpine AS runner
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WORKDIR /app
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ENV NODE_ENV=production
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ENV PORT=3003
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# Create a dedicated system user and group for security isolation
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RUN addgroup --system --gid 1001 nodejs
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RUN adduser --system --uid 1001 nextjs
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# Copy static assets and optimized standalone bundle from the build stage
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COPY --from=builder /app/public ./public
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COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
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COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
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# Prepare local persistent storage directory with correct user permissions
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RUN mkdir -p /app/data && chown -R nextjs:nodejs /app/data
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# Switch to non-root user
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USER nextjs
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EXPOSE 3003
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# Start the standalone Node.js server
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CMD ["node", "server.js"] |