Add Docker deployment config and production CORS

- Dockerfile with multi-stage build (builder + production)
- docker-compose.yml for EC2 deployment with SSH localhost
- Add status.eventifyplus.com to CORS origins

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,40 @@
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy root package files
+COPY package.json package-lock.json ./
+COPY server/package.json server/
+COPY client/package.json client/
+
+# Install all dependencies
+RUN npm ci
+
+# Copy source code
+COPY server/ server/
+COPY client/ client/
+
+# Build frontend
+RUN npm run --workspace=client build
+
+# Production stage
+FROM node:20-alpine
+
+WORKDIR /app
+
+# Copy root package files and lockfile
+COPY package.json package-lock.json ./
+COPY server/package.json server/
+
+# Install all server deps (tsx is in devDependencies but needed to run)
+RUN npm ci --workspace=server
+
+# Copy server source
+COPY server/ server/
+
+# Copy built frontend
+COPY --from=builder /app/client/dist client/dist
+
+EXPOSE 3002
+
+CMD ["npm", "run", "--workspace=server", "start"]