Dockerfile

FROM node:20-alpine AS base

# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
RUN apk add --no-cache libc6-compat

ENV NEXT_TELEMETRY_DISABLED 1
ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"
RUN corepack enable

COPY . /app
WORKDIR /app

FROM base AS prod-deps
RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --prod --frozen-lockfile

FROM base AS build
RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --frozen-lockfile
RUN pnpm run build

FROM base
COPY --from=prod-deps /app/node_modules /app/node_modules

# Automatically leverage output traces to reduce image size
# https://nextjs.org/docs/advanced-features/output-file-tracing
COPY --from=build --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=build --chown=nextjs:nodejs /app/.next/static ./.next/static

# Needed for migrations
COPY --from=build /app/knexfile.js ./
COPY --from=build /app/migrations ./migrations

EXPOSE 3000
ENV PORT 3000
CMD ["pnpm", "start"]