# 1. Install dependencies and build the project
FROM alpine:latest AS builder

# Install node and yarn
RUN apk add --no-cache nodejs npm
RUN npm install -g yarn

# Enable Corepack
RUN corepack enable

WORKDIR /app

COPY package.json yarn.lock ./
RUN yarn install --immutable

COPY . .

# Next.js standalone output copies only necessary files
RUN yarn build
ENV NEXT_TELEMETRY_DISABLED=1

# 2. Production stage: use a minimal base image
FROM alpine:latest AS runner
WORKDIR /app

# Set the environment variable for standalone output directory
ENV NODE_ENV=production
# Next.js will copy the standalone files to /app/standalone/.next
ENV NEXT_TELEMETRY_DISABLED=1

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

EXPOSE 3000

CMD ["node", "server.js"]