fix(docker): Memory issue with Docker deploying (#24)

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:16-alpine
+FROM node:20-bullseye
 
 COPY . /calcium/
 WORKDIR /calcium/
@@ -7,4 +7,4 @@ RUN npm i
 
 EXPOSE 3000
 
-ENTRYPOINT npm run start
+ENTRYPOINT npm run docker:start

package.json

@@ -33,6 +33,7 @@
     "eslint": "^8.3.0",
     "eslint-config-react-app": "^7.0.1",
     "eslint-webpack-plugin": "^3.1.1",
+    "express": "^4.19.2",
     "file-loader": "^6.2.0",
     "flag-icons": "^7.1.0",
     "fs-extra": "^10.0.0",
@@ -82,6 +83,7 @@
   },
   "scripts": {
     "start": "node scripts/start.js",
+    "docker:start": "node scripts/docker-start.js",
     "build": "node scripts/build.js",
     "test": "node scripts/test.js"
   },

scripts/docker-start.js

@@ -0,0 +1,28 @@
+"use strict";
+
+const { exec } = require("child_process");
+const path = require("path");
+
+const chalk = require("react-dev-utils/chalk");
+const express = require("express");
+
+console.log(chalk.cyan("Building Calcium in production mode...\n"));
+
+exec("npm run build", (err) => {
+    if(err) {
+        console.log(chalk.red(err));
+
+        return;
+    }
+
+    const app = express();
+
+    app.use(express.static(path.join(__dirname, "..", "build")));
+
+    app.listen(3000, () => {
+        console.log(
+            chalk.green("Calcium is ready on"),
+            chalk.greenBright(chalk.bold("http://localhost:3000"))
+        );
+    });
+});