Add Containerfile

Containerfile

@@ -0,0 +1,19 @@
+FROM docker.io/node:20.5.0-alpine AS builder
+
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+
+COPY . .
+
+RUN npm run build
+
+
+FROM docker.io/node:20.5.0-alpine
+
+WORKDIR /app
+COPY package.json package-lock.json .
+RUN npm ci --omit dev
+COPY --from=builder /app/build /app
+
+CMD ["node", "."]