Redis – Docker loads login screen, but not starting node server.js – MEAN stack

Here’s most up-to-date configuration since adding bounty: Configuration

UPDATE: It looks like it’s getting a cors error when clicking login, which is most likely causing the issue. I’ve read in other posts like this one that I need to update nginx.conf. I haven’t been able to figure out how to update said file since it’s already dockerized assuming this is the solution to my problem. Also could be related to not referencing cosmodb in docker-comopose, but when I add this

    cosomsdb:
        build: ./backend
        ports:
        - "10255:10255"

I get cors error still. 10255 is cosmosdb port

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://localhost:3000/api/user/login. (Reason: CORS request did not succeed).
2
ERROR 
Object { headers: {…}, status: 0, statusText: "Unknown Error", url: "http://localhost:3000/api/user/login", ok: false, name: "HttpErrorResponse", message: "Http failure response for http://localhost:3000/api/user/login: 0 Unknown Error", error: error }
core.js:6014:19

I’m trying to build a MEAN stack docker image, but every time I run it, it says

Error: Cannot find module '../backend/middleware/check-auth'

I don’t think it’s copying my files to the container correctly. I’ve been going through forums, but haven’t been able to find a solution. I appreciate any help!

Dockerfile

FROM node

MAINTAINER Phil

WORKDIR /src

COPY . .

RUN npm install

RUN npm install -g nodemon

EXPOSE 3000

CMD ["npm", "start"]

docker-compose.yml

version: '3'
services:
    web:
        image: nginx
        ports:
            - "80:80"
        volumes:
        - "/Users/Phil/Documents/myapp/myapp-docker/frontend/dist:/usr/share/nginx/html"
    node:
        build: ./backend
        ports:
        - "3000:3000"

backend package.json

{
  "name": "backend",
  "version": "1.0.0",
  "description": "",
  "main": "app.js",
  "scripts": {
    "test": "echo "Error: no test specified" && exit 1",
    "start": "nodemon server.js"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "aws-sdk": "^2.612.0",
    "bcrypt": "^3.0.8",
    "body-parser": "^1.19.0",
    "create-hash": "^1.2.0",
    "crypto": "^1.0.1",
    "dotenv": "^8.2.0",
    "express": "^4.17.1",
    "jsonwebtoken": "^8.5.1",
    "mongoose": "^5.8.11",
    "mongoose-unique-validator": "^2.0.3",
    "multer": "^1.4.2",
    "multer-s3": "^2.9.0"
  }
}

server.js file

const app = require("./app");
const debug = require("debug")("node-angular");
const http = require("http");
const mongoose = require("mongoose");
var redis = require("redis");

var env = require("dotenv").config();


const normalizePort = val => {
  var port = parseInt(val, 10);

  if (isNaN(port)) {
    e;
    // named pipe
    return val;
  }

  if (port >= 0) {
    // port number
    return port;
  }

  return false;
};

const onError = error => {
  if (error.syscall !== "listen") {
    throw error;
  }
  const bind = typeof port === "string" ? "pipe " + port : "port " + port;
  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;
  }
};
console.log("process.env.COSMODDB_USER");
console.log(env.COSMODDB_USER);
mongoose
  .connect(
    "mongodb://" +
      process.env.COSMOSDB_HOST +
      ":" +
      process.env.COSMOSDB_PORT +
      "/" +
      process.env.COSMOSDB_DBNAME +
      "?ssl=true&replicaSet=globaldb",
    {
      auth: {
        user: process.env.COSMODDB_USER,
        password: process.env.COSMOSDB_PASSWORD
      }
    }
  )
  .then(() => console.log("Connection to CosmosDB successful"))
  .catch(err => console.error(err));

const onListening = () => {
  const addr = server.address();
  const bind = typeof port === "string" ? "pipe " + port : "port " + port;
  debug("Listening on " + bind);
};

const port = normalizePort(process.env.PORT || "3000");
app.set("port", process.env.PORT || port);

var server = app.listen(app.get("port"), function() {
  debug("Express server listening on port " + server.address().port);
});