Initial commit: Full project structure

- Backend: NestJS with Docker
- Frontend: Next.js with Docker
- Nginx configuration for reverse proxy
- PostgreSQL setup
- Docker compose for orchestration
- Development environment configuration

infrastructure/database/Dockerfile

@@ -0,0 +1,21 @@
+FROM postgres:15-alpine
+
+# Set timezone
+ENV TZ=UTC
+
+# Copy initialization script
+COPY init.sql /docker-entrypoint-initdb.d/
+
+# Copy backup script
+COPY backup.sh /usr/local/bin/backup.sh
+RUN chmod +x /usr/local/bin/backup.sh
+
+# Create backup directory
+RUN mkdir -p /backups && chown postgres:postgres /backups
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
+  CMD pg_isready -U ${POSTGRES_USER} || exit 1
+
+# Run as non-root
+USER postgres