added node (npm) option

Dockerfiles/node (npm)/Dockerfile

@@ -0,0 +1,13 @@
+FROM mhart/alpine-node:14
+
+RUN apk add curl
+
+COPY [".", "/usr/src"]
+
+WORKDIR "/usr/src"
+
+RUN npm install
+
+ARG NODE_ENV
+
+CMD if [ "$NODE_ENV" = "develop" ] ; then npm run dev ; else npm run start ; fi

Dockerfiles/node (yarn)/docker-compose.yml

@@ -0,0 +1,10 @@
+version: "2.9"
+
+services:
+   app:
+      build: .
+      volumes:
+        - .:/usr/src
+        - /usr/src/node_modules
+      environment:
+        NODE_ENV: ${NODE_ENV}