Daniel Volz
57 lines
1.8 KiB
Docker
57 lines
1.8 KiB
Docker
# =============================================================================
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# BACKEND DOCKERFILE - Security Hardened
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# =============================================================================
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# Security measures applied:
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# - Non-root user execution
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# - Multi-stage build (minimal runtime image)
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# - No shell in final image (distroless)
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# - Read-only filesystem compatible
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# - No unnecessary packages
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# - Specific image versions pinned
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# =============================================================================
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# -----------------------------------------------------------------------------
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# Stage 1: Builder
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# -----------------------------------------------------------------------------
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FROM node:22-slim AS builder
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WORKDIR /app
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# Install dependencies first (better layer caching)
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COPY package.json package-lock.json* ./
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RUN npm ci --ignore-scripts
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# Copy source and build
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COPY tsconfig.json ./
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COPY src ./src
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RUN npm run build
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# Remove dev dependencies for smaller image
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RUN npm ci --omit=dev --ignore-scripts && \
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npm cache clean --force
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# -----------------------------------------------------------------------------
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# Stage 2: Production Runtime (Distroless - no shell, minimal attack surface)
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# -----------------------------------------------------------------------------
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FROM gcr.io/distroless/nodejs22-debian12 AS runner
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WORKDIR /app
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# Copy built application with correct ownership (nonroot = uid 65532)
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COPY --from=builder --chown=65532:65532 /app/node_modules ./node_modules
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COPY --from=builder --chown=65532:65532 /app/dist ./dist
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COPY --from=builder --chown=65532:65532 /app/package.json ./
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# Environment configuration
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ENV NODE_ENV=production
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ENV PORT=3000
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# Expose application port
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EXPOSE 3000
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# Run as non-root user (distroless default user)
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USER nonroot
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# Start application - migrations handled in index.ts
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CMD ["dist/index.js"]
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