feat: implement authentication and database modules with relations and group management

Added new authentication strategies (JWT and GitHub OAuth), guards, and controllers. Implemented database module, schema with relations, and group management features, including CRD operations and person-to-group associations. Integrated validation and CORS configuration.

backend/Dockerfile

@@ -0,0 +1,36 @@
+FROM node:20-alpine AS base
+
+# Install pnpm
+RUN npm install -g pnpm
+
+# Set working directory
+WORKDIR /app
+
+# Copy package.json and install dependencies
+FROM base AS dependencies
+COPY package.json ./
+RUN pnpm install
+
+# Build the application
+FROM dependencies AS build
+COPY . .
+RUN pnpm run build
+
+# Production image
+FROM node:20-alpine AS production
+WORKDIR /app
+
+# Copy built application
+COPY --from=build /app/dist ./dist
+COPY --from=build /app/node_modules ./node_modules
+COPY package.json ./
+
+# Set environment variables
+ENV NODE_ENV=production
+ENV PORT=3000
+
+# Expose port
+EXPOSE ${PORT}
+
+# Start the application
+CMD ["node", "dist/main"]