Dockerfile

##### DEPENDENCIES

FROM --platform=linux/amd64 node:20-alpine AS deps
RUN apk add --no-cache libc6-compat openssl
WORKDIR /app

# Copy Prisma schema first
COPY prisma ./prisma

# Install dependencies based on the preferred package manager
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml\* ./

RUN \
    if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
    elif [ -f package-lock.json ]; then npm ci; \
    elif [ -f pnpm-lock.yaml ]; then npm install -g pnpm && pnpm i; \
    else echo "Lockfile not found." && exit 1; \
    fi

##### BUILDER

FROM --platform=linux/amd64 node:20-alpine AS builder
ARG NEXT_PUBLIC_CLIENTVAR
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Use dummy DATABASE_URL for build process
ENV DATABASE_URL="mysql://dummy:dummy@localhost:3306/dummy"

# Generate Prisma client for the target debian platform
RUN npx prisma generate

# ENV NEXT_TELEMETRY_DISABLED 1

RUN \
    if [ -f yarn.lock ]; then SKIP_ENV_VALIDATION=true yarn build; \
    elif [ -f package-lock.json ]; then SKIP_ENV_VALIDATION=true npm run build; \
    elif [ -f pnpm-lock.yaml ]; then npm install -g pnpm && SKIP_ENV_VALIDATION=true pnpm run build; \
    else echo "Lockfile not found." && exit 1; \
    fi

##### RUNNER

FROM --platform=linux/amd64 gcr.io/distroless/nodejs20-debian12 AS runner
WORKDIR /app

ENV NODE_ENV production

ENV NEXT_TELEMETRY_DISABLED 1

COPY --from=builder /app/next.config* ./
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json

# Copy Prisma client with the correct binaries
COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
COPY --from=builder /app/node_modules/@prisma ./node_modules/@prisma

COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static

EXPOSE 3000
ENV PORT 3000

CMD ["server.js"]