Dockerfile

# Multi-stage build for optimized production image

# Stage 0: Fetch PocketBase binary
FROM ghcr.io/muchobien/pocketbase:latest AS pocketbase-fetcher

# Stage 1: Dependencies
FROM node:20-alpine AS deps
WORKDIR /app

# Install dependencies based on the package manager
COPY package.json package-lock.json ./
RUN npm ci --only=production

# Stage 2: Builder
FROM node:20-alpine AS builder
WORKDIR /app

# Copy dependencies from deps stage
COPY --from=deps /app/node_modules ./node_modules
COPY package.json package-lock.json ./

# Install all dependencies (including dev dependencies for build)
RUN npm ci

# Copy source code
COPY . .

# Set environment variables for build
ENV NEXT_TELEMETRY_DISABLED=1
ENV NODE_ENV=production

# Build the Next.js application
# Using --webpack flag to mitigate Google Fonts optimization issues
RUN npm run build -- --webpack

# Copy public assets to standalone output for proper deployment
RUN mkdir -p .next/standalone/public && cp -r public/* .next/standalone/public/ || true

# Stage 3: Runner
FROM node:20-alpine AS runner
WORKDIR /app

# Set environment
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

# Install ffmpeg (provides ffprobe for video duration detection)
RUN apk add --no-cache ffmpeg

# Create non-root user
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# Create courses directory for volume mount
RUN mkdir -p /courses && chown nextjs:nodejs /courses

# Create PocketBase directories
RUN mkdir -p /pb /pb_data /pb_migrations

# Copy necessary files from builder
# Copy public assets from standalone output (includes static files)
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone/public ./public
COPY --from=builder /app/package.json ./package.json

# Copy built application
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
COPY --from=builder --chown=nextjs:nodejs /app/version-history.md ./version-history.md

# Copy PocketBase binary and migrations
COPY --from=pocketbase-fetcher /usr/local/bin/pocketbase /pb/pocketbase
COPY pocketbase/pb_migrations /pb_migrations

# Copy entrypoint script
COPY docker-entrypoint.sh /app/docker-entrypoint.sh

# Set permissions (must run as root before switching user)
RUN chmod +x /pb/pocketbase \
 && chown -R nextjs:nodejs /pb_data \
 && chmod -R 555 /pb_migrations \
 && chmod +x /app/docker-entrypoint.sh \
 && chown nextjs:nodejs /app/docker-entrypoint.sh

# Switch to non-root user
USER nextjs

# Expose ports
EXPOSE 3000
# EXPOSE 8090

# Set environment variable for port
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Start via entrypoint
CMD ["/app/docker-entrypoint.sh"]