add production docker file

Dockerfile

@@ -0,0 +1,20 @@
+FROM node:18 as builder
+ADD . /app
+ENV NODE_ENV=production
+WORKDIR /app
+RUN npm install 
+
+FROM gcr.io/distroless/nodejs18-debian11
+COPY --from=builder /app/node_modules /app/node_modules
+COPY --from=builder /app/server.js /app/server.js
+COPY --from=builder /app/src /app/src
+COPY --from=builder /app/package.json /app/package.json
+COPY --from=builder /app/healthcheck.js /app/healthcheck.js
+
+# The healthcheck can be run from here, but also from the compose file
+# HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 CMD ["/nodejs/bin/node", "app/healthcheck.js"]
+
+CMD ["app/server.js"]
+
+EXPOSE 4009
+

Dockerfile.local

@@ -1,6 +1,6 @@
 FROM node:20
 WORKDIR /app
 COPY . .
-RUN npm install
+#RUN npm install
 CMD ["node", "server.js"]
 EXPOSE 4009