Initial commit of working RSS Aggregator build

Dockerfile

@@ -0,0 +1,17 @@
+FROM node:20-alpine AS builder
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm install
+
+COPY . .
+RUN npm run build
+
+FROM node:20-alpine
+WORKDIR /app
+
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/dist ./dist
+COPY package*.json ./
+
+CMD ["node", "dist/index.js"]