mern-app | Recently learnt react , thought I would make | Frontend Framework library

by nerdthatnoonelikes TypeScript Version: Current License: MIT

X-Ray Key Features Code Snippets Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | mern-app Summary

mern-app is a TypeScript library typically used in User Interface, Frontend Framework, React Native, React, Nodejs applications. mern-app has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Recently learnt react, thought I would make a MERN stack app

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Quality

Security

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Reuse

Support

mern-app has a low active ecosystem.

It has 5 star(s) with 1 fork(s). There are 1 watchers for this library.

It had no major release in the last 6 months.

mern-app has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of mern-app is current.

Quality

mern-app has no bugs reported.

Security

mern-app has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

mern-app is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

mern-app releases are not available. You will need to build from source code and install.

Installation instructions are available. Examples and code snippets are not available.

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mern-app Key Features

No Key Features are available at this moment for mern-app.

mern-app Examples and Code Snippets

No Code Snippets are available at this moment for mern-app.

Community Discussions

Trending Discussions on mern-app

When to replace localhost with service name in docker?

Why does my deleteMessage function not work?

SyntaxError: Unexpected end of JSON input in my model

Why can't my test files be found when running mocha?

Why are my files untracked after creating new folders?

How to remove node_modules one folder deep in root

error when setting up remote docker server

MERN API GET requests return 404's on Heroku, works on local Raspi server

Props is still empty after mapStateToProps

React and ReactDOM not loading using webpack, babel

QUESTION

When to replace localhost with service name in docker?

Asked 2021-May-08 at 20:53

I have reactjs app and express app dockerized.
This is my docker-compose.yml file:

...

ANSWER

Answered 2021-May-08 at 20:53

When you go to your browser and type http://localhost:3000 in, the browser makes a call to the client container, does an HTTP GET to retrieve the Javascript code, and the browser actually runs the code. This is a critical difference: any fetch calls or similar from your React application are running in the end user's browser, not inside Docker.

If a call is coming from the browser; it is part of your front-end application; or it is otherwise coming from outside Docker, then you need to use the host system's DNS name and the first published ports: number. If the browser and the containers are both running on the same system you can use localhost; if Docker is running in a VM (perhaps on the older Docker Toolbox setup) you need the VM's IP address.

Source https://stackoverflow.com/questions/67451389

QUESTION

Why does my deleteMessage function not work?

Asked 2020-Nov-22 at 06:48

I am using Postman to simulate deleting some data from my JSON database when I send a DELETE request via http://localhost:3001/delete/1 in my backend/lib/routes.js

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ANSWER

Answered 2020-Nov-22 at 06:48

Your getting the wrong response because your comparing a string to a number. When "finding" the index it's return is -1 because you are using the equivalence operator ===. You just need to type cast the string to a number when grabbing the param.

Source https://stackoverflow.com/questions/64951111

QUESTION

SyntaxError: Unexpected end of JSON input in my model

Asked 2020-Nov-21 at 09:56

I am following part 4 of this tutorial

My package.json has the following scripts to run mocha tests and run the node server

...

ANSWER

Answered 2020-Nov-21 at 09:56

Looking into your Github in backend/lib/json the files are:

Source https://stackoverflow.com/questions/64940117

QUESTION

Why can't my test files be found when running mocha?

Asked 2020-Nov-20 at 09:40

I am following step 1 of this tutorial

I have the following folder structure:

...

ANSWER

Answered 2020-Nov-20 at 09:40

Found two issues

Your package.json file is misplaced. Place it with ".gitignore" file. And run "npm install"
"chai" is required. Do "npm install chai"

Source https://stackoverflow.com/questions/64926661

QUESTION

Why are my files untracked after creating new folders?

Asked 2020-Nov-20 at 09:05

I am following step 1 of this tutorial and created two new folders called lib and test inside my backend folder. My folder structure looks like the following:

...

ANSWER

Answered 2020-Nov-20 at 09:05

I did git add --all, committed, and pushed which solved the issue.

Source https://stackoverflow.com/questions/64926551

QUESTION

How to remove node_modules one folder deep in root

Asked 2020-Nov-17 at 08:49

I finished step 1 in this tutorial on how to set up a MERN stack project.

I have a .gitignore with the following contents

...

ANSWER

Answered 2020-Nov-17 at 07:47

If your repository is in the backend folder, meaning you have

Source https://stackoverflow.com/questions/64871122

QUESTION

error when setting up remote docker server

Asked 2020-Nov-05 at 14:28

On my Pi I followed this tutorial to install docker on raspbian. Few side notes here:

I did NOT setup a swarm, I stopped at docker info and (as in other guides) I succesfully ran the hello world container.
idk if it matters, but this guide (unlike others) had me edit /etc/apt/sources.list and add line: deb https://download.docker.com/linux/raspbian/ stretch stable

On my develop machine (win 10) I used this tutorial to add docker configs and ymls to my mern stack app. However at multiple points in this tutorial they wanted me to run docker commands, so I ended up having to install Docker Desktop.

But I don't want to use local containers, I want to use the remote one on my Pi. So I used this tutorial to try and setup my remote docker.

However Im getting an error:

C:\Users\oweng>docker-machine create --driver generic --generic-ip-address=192.168.1.2 --generic-ssh-key "%HOMEPATH%/.ssh/id_rsa" --generic-ssh-user=pi remote-docker-host Running pre-create checks... Creating machine... (remote-docker-host) Importing SSH key... Waiting for machine to be running, this may take a few minutes... Detecting operating system of created instance... Waiting for SSH to be available... Enter passphrase for key 'C:\Users\oweng.docker\machine\machines\remote-docker-host\id_rsa': Enter passphrase for key 'C:\Users\oweng.docker\machine\machines\remote-docker-host\id_rsa': Detecting the provisioner... Enter passphrase for key 'C:\Users\oweng.docker\machine\machines\remote-docker-host\id_rsa': Error creating machine: Error detecting OS: OS type not recognized

I have googled the error a bit but havnt found a solution.

furthermore when checking listening ports on my Pi (docker server) I dont see it running

pi@raspberrypi:~ $ sudo lsof -i -P -n | grep LISTEN xrdp-sesm 390 root 7u IPv6 14566 0t0 TCP [::1]:3350 (LISTEN) sshd
404 root 3u IPv4 17224 0t0 TCP *:22 (LISTEN) sshd
404 root 4u IPv6 17226 0t0 TCP *:22 (LISTEN) xrdp
406 xrdp 11u IPv6 17302 0t0 TCP *:3389 (LISTEN)

So I feel like maybe the server is not running? But it seems to be.

pi@raspberrypi:~ $ systemctl status docker ● docker.service - Docker Application Container Engine Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled) Active: active (running) since Tue 2020-11-03 07:18:21 PST; 3h 35min ago Docs: https://docs.docker.com Main PID: 496 (dockerd) Tasks: 13 CGroup: /system.slice/docker.service └─496 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock

Nov 03 07:18:14 raspberrypi dockerd[496]: time="2020-11-03T07:18:14.064113743-08:00" level=warning msg="Your kernel does not support cgroup blkio throttle.w Nov 03 07:18:14 raspberrypi dockerd[496]: time="2020-11-03T07:18:14.064249212-08:00" level=warning msg="Your kernel does not support cgroup blkio throttle.r Nov 03 07:18:14 raspberrypi dockerd[496]: time="2020-11-03T07:18:14.064373483-08:00" level=warning msg="Your kernel does not support cgroup blkio throttle.w Nov 03 07:18:14 raspberrypi dockerd[496]: time="2020-11-03T07:18:14.066367493-08:00" level=info msg="Loading containers: start." Nov 03 07:18:17 raspberrypi dockerd[496]: time="2020-11-03T07:18:17.612685200-08:00" level=info msg="Default bridge (docker0) is assigned with an IP address Nov 03 07:18:18 raspberrypi dockerd[496]: time="2020-11-03T07:18:18.710629367-08:00" level=info msg="Loading containers: done." Nov 03 07:18:20 raspberrypi dockerd[496]: time="2020-11-03T07:18:20.815943637-08:00" level=info msg="Docker daemon" commit=4484c46 graphdriver(s)=overlay2 v Nov 03 07:18:20 raspberrypi dockerd[496]: time="2020-11-03T07:18:20.822947178-08:00" level=info msg="Daemon has completed initialization" Nov 03 07:18:21 raspberrypi systemd1: Started Docker Application Container Engine. Nov 03 07:18:21 raspberrypi dockerd[496]: time="2020-11-03T07:18:21.273201136-08:00" level=info msg="API listen on /var/run/docker.sock"

Update 1

following this SO post i was able to get the server running it seems. Editing docker.service file. I now get a different error when trying to create

C:\Users\oweng>docker-machine create --driver generic --generic-ip-address=192.168.1.2:2137 --generic-ssh-key "%HOMEPATH%/.ssh/id_rsa" --generic-ssh-user=pi remote-docker-host Running pre-create checks... Creating machine... (remote-docker-host) Importing SSH key... Waiting for machine to be running, this may take a few minutes... Error creating machine: Error waiting for machine to be running: Maximum number of retries (60) exceeded

Update 2 BMitch's comment lead me to these two tutorial which seem to be exactly what im trying todo https://code.visualstudio.com/docs/containers/ssh https://code.visualstudio.com/docs/containers/choosing-dev-environment#_remote-machine

...

ANSWER

Answered 2020-Nov-04 at 22:21

I wouldn't use docker-machine for that. Support for the tool seems to be going away, and there are much easier methods.

The easiest is to set DOCKER_HOST on your machine to be the ssh setting of the remote node:

Source https://stackoverflow.com/questions/64665688

QUESTION

MERN API GET requests return 404's on Heroku, works on local Raspi server

Asked 2019-Mar-17 at 18:12

I have a MERN application that I'm trying to host on Heroku. Right now the application is deployed to a Raspberry Pi, and everything works fine there, but as soon as it gets to Heroku all of my API GET requests result in 404 errors. I can get the React front end, but nothing else works. The Mongo portion is hosted on the sandbox tier of Atlas and is whitelisted to accept any authorized connections.

Things that I've tried:

Not routing /api calls to static React files via server.js
Updating all references to port numbers to use process.env.PORT || 3001
Swapping my proxy in my React client package.json from localhost to 127.0.0.1
Reconfiguring my axios calls to the API with the following config:

...

ANSWER

Answered 2019-Mar-17 at 18:12

Ok, I think I figured out what was going on here. This appears to be related to how the baseURL is set up in Axios.

During local development I made the mistake of assigning an IP variable and then making any API calls like so: ${ip}/api/whatever/whatever

I thought I was on the right track with the Axios config I posted above, but what I actually needed to do was set up Axios like this:

Source https://stackoverflow.com/questions/55193182

QUESTION

Props is still empty after mapStateToProps

Asked 2019-Jan-18 at 00:35

I'm working in a mern stack app and when I try to pass the state to specific component's props I get errors.

I get the error:

...

ANSWER

Answered 2019-Jan-18 at 00:35

You're mismatching the connected component imports and exports.

In ShoppingList.js, you have:

Source https://stackoverflow.com/questions/54246206

QUESTION

React and ReactDOM not loading using webpack, babel

Asked 2018-Apr-21 at 15:28

I am setting up a React project using webpack and babel, but I am getting the error that React and ReactDOM can't be resolved.

Is the problem is with the version of Webpack or Babel?

...

ANSWER

Answered 2018-Apr-21 at 15:28

This code looks fine to me. I think you have missed the dependency installation step before running webpack command.

Please try and follow the below steps in order and see if it resolves the error.

Run npm install inside the directory this will make sure all the dependencies you have mentioned in package.json are downloaded to node_modules directory.
Then run npm run webpack to generate the bundle.js

Source https://stackoverflow.com/questions/49956964

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install mern-app

You will need the following - node js v14 or higher - A mongo database.
Clone the repository
Change directories to the frontend directory and install dependencies do the same for the api folder
Change the connection URL in the index.js file inside of api/src
Make sure you're inside of the frontend directory and run yarn start, this will start the react app which will then be available at http://localhost:3000
Go inside of the api directory and run node src/index, this will start the API
You may now navigate to the react app and enjoy!

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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