Dockerfile

# Setup pnpm
FROM node:22-alpine AS pnpm

# Enable pnpm
ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"
RUN corepack enable


# Install packages and build Next.js project
FROM pnpm AS build

WORKDIR /work

# Install packages
COPY package.json pnpm-lock.yaml ./
RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --frozen-lockfile

# Build the project
COPY . .
RUN pnpm run build


# Install sharp
FROM pnpm AS sharp

WORKDIR /work

COPY package.json ./package.d.json

RUN SHARP_VERSION=`node -p -e "require('./package.d.json').dependencies.sharp"` \
    pnpm install sharp@"$SHARP_VERSION"


# Create runner image
FROM gcr.io/distroless/nodejs22-debian12:nonroot AS runner

WORKDIR /app

# Uncomment this when you have at least one public asset.
# COPY --from=build --chown=65532:65532 /work/public ./public

COPY --from=sharp --chown=65532:65532 /work/node_modules/ ./node_modules/
COPY --from=build --chown=65532:65532 /work/.next/standalone ./
COPY --from=build --chown=65532:65532 /work/.next/static ./.next/static

ARG PORT=3000

ENV NODE_ENV=production

ENV HOSTNAME="0.0.0.0"
ENV PORT=$PORT

EXPOSE $PORT

# Note: The server.js file will be generated by Next.js in standalone mode.
#       You need to write `output: 'standalone'` in your next.config.js.
ENTRYPOINT [ "/nodejs/bin/node", "server.js" ]