Add dockerfile

Dockerfile

@@ -1,9 +1,6 @@
 # build stage
 FROM node:lts-alpine as build-env
 ENV NODE_ENV=production
-RUN \ 
-  apk update && \
-  apk add git gcc g++
 
 ADD . /opt/app
 WORKDIR /opt/app
@@ -18,8 +15,6 @@ COPY --from=build-env /opt/app/envsubt.sh /etc/nginx/templates/envsubt.sh
 COPY --from=build-env /opt/app/default.conf /etc/nginx/templates/default.conf.template
 WORKDIR /var/www
 
-RUN apk add --no-cache bash
-
 ENV PORT=80
 
 CMD ["/bin/sh", "-c", "/etc/nginx/templates/envsubt.sh && nginx -g \"daemon off;\""]

yarn-Dockerfile

@@ -0,0 +1,18 @@
+# build stage
+FROM node:lts-alpine as build-env
+ENV NODE_ENV=production
+
+ADD . /opt/app
+WORKDIR /opt/app
+
+RUN \
+  yarn install && \
+  yarn build
+
+FROM node:lts-alpine
+WORKDIR /opt/app
+COPY --from=build-env /opt/app/build /opt/app/build
+
+RUN npm install -g serve
+
+CMD ["serve","-s","build"]

yarn-no-build-stage-Dockerfile

@@ -0,0 +1,14 @@
+# build stage
+FROM node:lts-alpine as build-env
+ENV NODE_ENV=production
+
+ADD . /opt/app
+WORKDIR /opt/app
+
+RUN \
+  yarn install && \
+  yarn build && npm install -g serve
+
+CMD ["serve","-s","build"]
+
+