New Express server added with access to LinkedIn API

Author: yehanny

backend/.dockerignore

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+# Postgres DB
+DATABASE_SCHEMA=postgres
+DATABASE_USERNAME=postgres
+DATABASE_PASSWORD=postgres
+DATABASE_HOST=localhost
+DATABASE_PORT=5432
+
+# API
+HOST_PROTOCOL=http://
+HOST_PORT=3000
+HOST_API="${HOST_PROTOCOL}://localhost:${HOST_PORT}"

backend/.env.example

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+# See http://help.github.com/ignore-files/ for more about ignoring files.
+
+# Compiled output
+/dist
+/tmp
+/out-tsc
+/bazel-out
+
+# Node
+/node_modules
+npm-debug.log
+yarn-error.log
+.env
+
+# IDEs and editors
+.idea/
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# Visual Studio Code
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+.history/*
+
+# Miscellaneous
+/.angular/cache
+.sass-cache/
+/connect.lock
+/coverage
+/libpeerconnection.log
+testem.log
+/typings
+
+# System files
+.DS_Store
+Thumbs.db

backend/.gitignore

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+FROM node:18.16.0-alpine3.17
+RUN mkdir -p /src
+COPY package.json /src/package.json
+WORKDIR /src
+RUN npm i --only=production --silent
+COPY . /src
+EXPOSE 3000
+CMD npm start

backend/Dockerfile

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+const express = require("express");
+const path = require("path");
+const cookieParser = require("cookie-parser");
+const logger = require("morgan");
+require("dotenv").config();
+
+const indexRouter = require("./routes/index");
+const usersRouter = require("./routes/users");
+
+const app = express();
+
+app.use(logger("dev"));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, "public")));
+
+app.use("/", indexRouter);
+app.use("/users", usersRouter);
+
+module.exports = app;

backend/app.js

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+const db = require("../models/database");
+db.sequelize.sync();

backend/bin/migrate.js

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require("../app");
+var debug = require("debug")("katacoda-nodejs-express-example:server");
+var http = require("http");
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || "3000");
+app.set("port", port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on("error", onError);
+server.on("listening", onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== "listen") {
+    throw error;
+  }
+
+  var bind = typeof port === "string" ? "Pipe " + port : "Port " + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case "EACCES":
+      console.error(bind + " requires elevated privileges");
+      process.exit(1);
+      break;
+    case "EADDRINUSE":
+      console.error(bind + " is already in use");
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === "string" ? "pipe " + addr : "port " + addr.port;
+  debug("Listening on " + bind);
+}

backend/bin/www

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+module.exports = {
+  host: process.env.DATABASE_HOST || "localhost",
+  port: process.env.DATABASE_PORT || 5432,
+  dialect: "postgres",
+  dialectOptions: {
+    ssl: process.env.DATABASE_SSL === "true",
+  },
+
+  define: {
+    timestamps: false,
+  },
+};

backend/config/db.config.js

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+"use strict";
+
+module.exports = {
+  host: process.env.DATABASE_HOST || "localhost",
+  port: process.env.DATABASE_PORT || 5432,
+  dialect: "postgres",
+  dialectOptions: {
+    ssl: process.env.DATABASE_SSL === "true"
+  },
+  define: {
+    timestamps: false
+  }
+};

backend/config/dist/db.config.dev.js

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+const dbConfig = require("../config/db.config");
+const Sequelize = require("sequelize");
+const sequelize = new Sequelize(process.env.DATABASE_SCHEMA || "postgres", process.env.DATABASE_USERNAME || "postgres", process.env.DATABASE_PASSWORD || "postgres", {
+  host: dbConfig.host,
+  port: dbConfig.port,
+  dialect: dbConfig.dialect,
+  dialectOptions: {
+    ssl: dbConfig.dialectOptions.ssl,
+  },
+  define: {
+    timestamps: dbConfig.define.timestamps,
+  },
+});
+
+const db = {};
+
+db.Sequelize = Sequelize;
+db.sequelize = sequelize;
+
+/* Define user table */
+db.User = require("./user.model")(sequelize, Sequelize);
+
+module.exports = db;