Convert to a cloudron image

Dockerfile

@@ -0,0 +1,28 @@
+FROM node:18-bullseye-slim as builder
+
+WORKDIR /usr/src/app
+
+COPY package*.json ./
+
+RUN npm ci
+
+COPY . .
+
+RUN npm run build
+
+FROM node:18-bullseye-slim
+
+ENV NODE_ENV production
+USER node
+
+WORKDIR /usr/src/app
+
+COPY package*.json ./
+
+RUN npm ci --omit=dev
+
+COPY --from=builder /usr/src/app/build ./build
+
+EXPOSE 3000
+
+CMD [ "node", "build" ]