fix Dockerfile: attempt 1

Dockerfile

@@ -1,15 +1,11 @@
-FROM node:lts AS build    
-
-WORKDIR /build
-COPY package.json package.json
-COPY package-lock.json package-lock.json
-RUN npm ci
-
-COPY public/ public
-COPY src/ src
+FROM node:lts AS node
+WORKDIR /app
+COPY package*.json .
+RUN npm install --production
+COPY . .
 RUN npm run build
-FROM httpd:alpine
-WORKDIR /var/www/html
-COPY --from=build /build/build/ .
 
-EXPOSE 80
+FROM nginx:alpine
+COPY --from=node /app/build /usr/share/nginx/html
+
+EXPOSE 80 443