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# Dependencies Image
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FROM node:20-alpine AS deps
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RUN apk add --no-cache libc6-compat
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WORKDIR /app
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COPY package.json yarn.lock .yarnrc.yml ./
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COPY .yarn ./.yarn
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RUN yarn set version berry
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RUN yarn install --immutable
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RUN yarn add sharp
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# Build Image
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FROM node:20-alpine AS builder
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WORKDIR /app
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COPY --from=deps /app/node_modules ./node_modules
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COPY . .
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ENV NEXT_TELEMETRY_DISABLED 1
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# Keep as empty string as Typescript parses empty strings as false
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ARG NEXT_PUBLIC_IS_PREVIEW=""
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ENV NEXT_PUBLIC_IS_PREVIEW=$NEXT_PUBLIC_IS_PREVIEW
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ARG NEXT_PUBLIC_BUILD_SHA
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ENV NEXT_PUBLIC_BUILD_SHA=$NEXT_PUBLIC_BUILD_SHA
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ARG NEXT_PUBLIC_BUILD_ID
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ENV NEXT_PUBLIC_BUILD_ID=$NEXT_PUBLIC_BUILD_ID
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ARG NEXT_PUBLIC_BUILD_NUM
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ENV NEXT_PUBLIC_BUILD_NUM=$NEXT_PUBLIC_BUILD_NUM
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RUN --mount=type=secret,id=REPOS_READ_ONLY \
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REPOS_READ_ONLY=$(cat /run/secrets/REPOS_READ_ONLY) \
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yarn build
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# Production Image
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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 NEXT_TELEMETRY_DISABLED 1
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RUN addgroup -g 1001 -S nodejs
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RUN adduser -S nextjs -u 1001
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COPY --from=builder /app/public ./public
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# Automatically leverage output traces to reduce image size
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# https://nextjs.org/docs/advanced-features/output-file-tracing
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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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USER nextjs
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EXPOSE 3000
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ENV PORT 3000
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ENV HOSTNAME localhost
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CMD ["node", "server.js"]
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