Initial commit: MOPC platform with Docker deployment setup

Full Next.js 15 platform with tRPC, Prisma, PostgreSQL, NextAuth.
Includes production Dockerfile (multi-stage, port 7600), docker-compose
with registry-based image pull, Gitea Actions CI workflow, nginx config
for portal.monaco-opc.com, deployment scripts, and DEPLOYMENT.md guide.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docker/Dockerfile

@@ -0,0 +1,71 @@
+# =============================================================================
+# MOPC Platform - Production Dockerfile
+# =============================================================================
+# Multi-stage build for optimized production image
+
+FROM node:22-alpine AS base
+
+# Install dependencies only when needed
+FROM base AS deps
+RUN apk add --no-cache libc6-compat
+WORKDIR /app
+
+# Copy package files
+COPY package.json package-lock.json* ./
+RUN npm ci
+
+# Rebuild the source code only when needed
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Generate Prisma client
+RUN npx prisma generate
+
+# Build Next.js
+ENV NEXT_TELEMETRY_DISABLED=1
+RUN npm run build
+
+# Production image, copy all the files and run next
+FROM base AS runner
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+
+# Create non-root user for security
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+# Install runtime dependencies for migrations and seeding
+RUN apk add --no-cache libc6-compat
+
+# Copy built files
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
+COPY --from=builder /app/prisma ./prisma
+COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
+COPY --from=builder /app/node_modules/@prisma ./node_modules/@prisma
+COPY --from=builder /app/node_modules/prisma ./node_modules/prisma
+
+# Copy CSV data file for manual seeding
+COPY --from=builder /app/docs/candidatures_2026.csv ./docs/candidatures_2026.csv
+
+# Copy entrypoint script
+COPY docker/docker-entrypoint.sh /app/docker-entrypoint.sh
+RUN chmod +x /app/docker-entrypoint.sh
+
+# Set correct permissions
+RUN chown -R nextjs:nodejs /app
+
+USER nextjs
+
+EXPOSE 7600
+
+ENV PORT=7600
+ENV HOSTNAME="0.0.0.0"
+
+# Run via entrypoint (migrate then start)
+CMD ["/app/docker-entrypoint.sh"]