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feat: use multistage build #36

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feat: use multistage build #36

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26 changes: 16 additions & 10 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,21 +1,27 @@
FROM node:18-alpine3.18

RUN apk update
# Stage 1: install dependencies
FROM node:25-alpine AS deps
WORKDIR /app
COPY package*.json .
ARG NODE_ENV=production
ENV NODE_ENV=${NODE_ENV}

WORKDIR /app
COPY package.json package-lock.json ./
RUN npm config set fetch-retry-maxtimeout 600000 -g && npm ci

# Stage 2: build
FROM node:25-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ENV DIRECTUS_URL=https://clic.epfl.ch/directus
ENV NEXT_PUBLIC_DIRECTUS_URL=https://clic.epfl.ch/directus
RUN apk update && npm run build

COPY . .
RUN npm run build

# Stage 3: run
FROM node:25-alpine
WORKDIR /app
# switch to unprivileged user from node base image
RUN chown -R node .
USER node

COPY --from=builder /app/.next ./.next
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./
CMD [ "npm", "start" ]
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