FROM node:18-alpine

WORKDIR /app

# 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 yarn global add pnpm && pnpm i; \

# Allow install without lockfile, so example works even without Node.js installed locally

else echo "Warning: Lockfile not found. It is recommended to commit lockfiles to version control." && yarn install; \

fi

COPY src ./src

COPY public ./public

COPY next.config.js .

# Next.js collects completely anonymous telemetry data about general usage. Learn more here: https://nextjs.org/telemetry

# Uncomment the following line to disable telemetry at run time

# ENV NEXT_TELEMETRY_DISABLED 1

# Note: Don't expose ports here, Compose will handle that for us

# Start Next.js in development mode based on the preferred package manager

CMD \

if [ -f yarn.lock ]; then yarn dev; \

elif [ -f package-lock.json ]; then npm run dev; \

elif [ -f pnpm-lock.yaml ]; then pnpm dev; \

else yarn dev; \

fi