72 lines
2.3 KiB
Docker
72 lines
2.3 KiB
Docker
#
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# FRONTEND DOCKERFILE
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#
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# Multi-stage image for the Next.js SPA/SSR frontend.
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# - runner: production server with minimal footprint
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# - builder: compiles the Next.js app
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# - dev: hot-reload friendly image
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#
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# COMPOSE_PROFILES decides which stage is used by docker-compose.yml.
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#
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FROM node:22-slim AS base
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WORKDIR /app
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ENV NPM_CONFIG_LOGLEVEL=warn \
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NODE_OPTIONS="--enable-source-maps"
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# ------------------------------------------------------------------------------
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# Dependencies cache
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# ------------------------------------------------------------------------------
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FROM base AS deps
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COPY package.json package-lock.json* ./
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RUN npm ci
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# ------------------------------------------------------------------------------
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# Production dependencies only (pruned to omit dev tooling)
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# ------------------------------------------------------------------------------
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FROM base AS prod-deps
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COPY package.json package-lock.json* ./
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RUN npm ci --omit=dev
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# ------------------------------------------------------------------------------
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# Builder: compile the application for production
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# ------------------------------------------------------------------------------
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FROM base AS builder
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COPY --from=deps /app/node_modules ./node_modules
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COPY . .
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ENV NODE_ENV=production
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RUN npm run build
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# ------------------------------------------------------------------------------
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# Production runner: serve the built Next.js app
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# ------------------------------------------------------------------------------
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FROM node:22-slim AS runner
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WORKDIR /app
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ENV NODE_ENV=production \
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NEXT_TELEMETRY_DISABLED=1
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USER node
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COPY --from=prod-deps --chown=node:node /app/node_modules ./node_modules
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COPY --from=builder --chown=node:node /app/.next ./.next
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COPY --from=builder --chown=node:node /app/public ./public
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COPY --from=builder --chown=node:node /app/package.json ./package.json
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EXPOSE 3000
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CMD ["npm", "run", "start"]
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# ------------------------------------------------------------------------------
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# Development: keeps node_modules and sources mounted for hot reload
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# ------------------------------------------------------------------------------
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FROM deps AS dev
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WORKDIR /app
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ENV NODE_ENV=development \
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NEXT_TELEMETRY_DISABLED=1
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USER node
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EXPOSE 3000
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CMD ["npm", "run", "dev", "--", "--hostname", "0.0.0.0", "--port", "3000"]
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