Dockerfile.dashboard

# Stage 1: Dependencies
FROM node:25-alpine3.21 AS deps
WORKDIR /app

# Install dependencies based on the preferred package manager
COPY dashboard/package.json dashboard/package-lock.json* ./
RUN npm ci

# Stage 2: Builder
FROM node:25-alpine3.21 AS builder
WORKDIR /app

# Build arguments
ARG NEXT_PUBLIC_API_URL

# Copy dependencies
COPY --from=deps /app/node_modules ./node_modules
COPY dashboard .

# Set build-time environment variables
ENV NEXT_TELEMETRY_DISABLED=1
ENV NODE_ENV=production
ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL

# Build the application
RUN npm run build

# Stage 3: Runner
FROM node:25-alpine3.21 AS runner
WORKDIR /app

# Set runtime environment variables
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV PORT=3000

# Create a non-root user to run the app and own app files
RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs

# Copy only necessary files from the builder stage
COPY --from=builder --chown=nextjs:nodejs /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Set the correct permission for prerender cache
RUN mkdir -p .next/cache && \
    chown -R nextjs:nodejs .next && \
    chmod -R 755 .next/cache

# Switch to non-root user
USER nextjs

# Expose the port the app will run on
EXPOSE 3000

# Start the application
CMD ["node", "server.js"]