add: added docker file for the backend

back/index.js

@@ -2,11 +2,12 @@ const express = require("express");
 const http = require("http");
 const mqtt = require("mqtt");
 const mysql = require("mysql");
+const path = require("node:path");
 
 const app = express();
 app.use(express.json());
 
-const client = mqtt.connect("mqtt://localhost/", {
+const client = mqtt.connect("mqtt://mqtt/", {
   port: 1883,
   protocol: "mqtt",
   clientId: "unidite_traitement",
@@ -14,7 +15,7 @@ const client = mqtt.connect("mqtt://localhost/", {
   password: "ensibs"
 });
 
-client.on("error", (err) => {
+client.once("error", (err) => {
   console.error("MQTT connection error:", err);
 });
 
@@ -37,7 +38,7 @@ app.post("/api/alert", (req, res) => {
   const { sensor_id, level, text } = req.body;
 
   const connection = mysql.createConnection({
-    host: "localhost",
+    host: "mysql",
     user: "root",
     password: "IloveSachAwAmama69",
     database: "sachamama"
@@ -76,4 +77,6 @@ app.post("/api/alert", (req, res) => {
   res.status(200).json({ message: "Alert sent successfully" });
 });
 
+app.use(express.static("public"));
+
 app.listen(3000, () => console.log("Server running on http://localhost:3000"));

docker-compose.yml

@@ -32,3 +32,12 @@ services:
     volumes:
       - ./mosquitto/config:/mosquitto/config
 
+  web:
+    build:
+      context: .
+      network: host
+    restart: always
+    container_name: web
+    ports: 
+      - 8081:3000
+    

dockerfile

@@ -0,0 +1,12 @@
+FROM node:alpine AS build
+WORKDIR /app
+COPY front .
+RUN npm install && npm run build
+
+FROM node:alpine
+WORKDIR /app
+COPY back .
+RUN npm install
+COPY --from=build /app/dist /app/public
+EXPOSE 3000
+CMD ["node", "index.js"]