# Use the desired base image
FROM node:21-alpine AS base

# Set the NODE_ENV to production
ENV NODE_ENV production

# Install dependencies only when needed
FROM base AS deps
# 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
WORKDIR /app

# Install dependencies based on the preferred package manager
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
# Pass the Font Awesome token as a build argument
ARG FONT_AWESOME_TOKEN
RUN echo "@fortawesome:registry=https://npm.fontawesome.com/" > ~/.npmrc \
  && echo "//npm.fontawesome.com/:_authToken=${FONT_AWESOME_TOKEN}" >> ~/.npmrc \
  && 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 --frozen-lockfile; \
  else echo "Lockfile not found." && exit 1; \
  fi

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

# Production image, copy all the files and run next
FROM base AS runner
WORKDIR /app

# Remove existing 'node' user and create a new user 'node' with UID 99 and use the existing group with GID 100
RUN deluser --remove-home node \
  && adduser -S -G users -u 99 node

COPY --from=builder /app/public ./public
COPY --from=builder --chown=node:users /app/.output ./.output
COPY --from=builder --chown=node:users /app/.vinxi ./.vinxi

# Switch to the non-root user
USER node

EXPOSE 3000

# Set the default values for environment variables
ENV PORT 3000
ENV HOSTNAME "0.0.0.0"

CMD ["node", ".output/server/index.mjs"]