add mqtt listener

mqtt/Dockerfile

@@ -0,0 +1,12 @@
+FROM node:lts-alpine3.17
+
+# add project files to /app
+ADD ./mqtt /app
+ADD ./prisma /app/prisma
+ADD ./protos /app/protos
+WORKDIR /app
+
+# install node dependencies
+RUN npm install && npx prisma generate
+
+ENTRYPOINT ["node", "index.js"]