All Questions
41
questions
1
vote
1
answer
1k
views
Install nodejs 20 on Debian Bullseye in Docker
I have Debian in a Docker container, and was installing NodeJS like this:
RUN curl -sL https://deb.nodesource.com/setup_18.x | bash ;\
apt-get update; \
apt-get install -y nodejs
It worked ...
- 191
0
votes
0
answers
87
views
Exposing ports on VPS
I'm running some services inside Docker and been having some issues with it: I have a NodeJS app (TLS stream communication) running on a custom port (let's say 2321). I exposed the port from my ...
- 1
0
votes
0
answers
73
views
Seemly NodeJS restart | Docker vs PM2 vs Both?
I have a NodeJS application that wraps a large obfuscated JavaScript file and utilizes it to run computations. The issue is the JavaScript file has a memory leak, and required fairly frequent restart ...
- 167
0
votes
0
answers
102
views
Mixed content error nginx+docker container
I have an EC2 with Nginx setup & there are a few containers running inside. There's a Node JS gateway which is serving some of the requests in a webpage hosting in this Nginx server. Nginx is not ...
- 764
0
votes
0
answers
234
views
Docker container can't find express even though it is installed and the Dockerfile compiles fine
When I try to run a docker container from an image I just built using "docker run" Node.js can't find express even though it is installed and the Dockerfile compiles fine.
Here is the output
...
0
votes
0
answers
75
views
NGINX waiting 60 seconds before processing request for NodeJS application
I have a NodeJS (ExpressJS) application containerized on Docker that is exposed through an NGINX reverse proxy also containerized on Docker. Sometimes, a request sent to NGINX takes 60 seconds before ...
- 101
0
votes
1
answer
380
views
What (low priority thread) is causing 100% CPU usage in my node alpine container?
I have a node alpine docker container (hosted on Azure) which periodically reaches 100% CPU usage. However, running the top or htop command shows no threads having high CPU usage.
How do I find out ...
- 1
0
votes
0
answers
2k
views
How to pass the chromedriver path to nodejs selenium-webdriver in Docker
Here is my docker file.
FROM node:17.2.0
USER root
WORKDIR /LT
RUN apt-get update
RUN apt-get install git --yes
COPY /LT .
COPY /LT/test .
COPY ["/LT/package.json", "."]
# ...
- 103
0
votes
1
answer
2k
views
docker - nodejs - selenium-webdriver - Error: Server terminated early with status 127
I am a novice in a docker container. I am trying to create a docker file that has npm, node js, chromedriver and selenium-chromedriver and run my javascript file. In my local , I run the script in the ...
- 103
0
votes
1
answer
200
views
Nginx: unable to proxy some paths to Node.js server (between dwo docker containers)
So my current setup is the following: I am using docker (rootless install) and want to use Cryptpad (which uses Node.js) with Nginx as a reverse Proxy (disclaimer: I never worked with Nginx before).
...
- 101
0
votes
1
answer
2k
views
Using Reverse Proxy Nginx in a docker container
So trying to setting Nginx as a reverse proxy using docker - I have three node js containers (one frontend and two backend services) the frontend service calls the two backend services. So I want ...
- 141
0
votes
2
answers
1k
views
How do I debug crashing application from inside docker and prevent it from terminating?
I need to debug an application that is crashing inside a docker, how do I achieve that the docker does not stop when the app crashes, allowing me to -it inside and try starting the app manually?
- 105
0
votes
1
answer
2k
views
Now to find the lasted version of Node/Alpine Docker image
How do I find the lasted version of Node/Alpine Docker image?
In a Dockerfile I borrowed, I have FROM node:13.12.0-alpine, but on DockerHub at https://hub.docker.com/_/node, I don't find that version ...
- 125
0
votes
1
answer
2k
views
Slow external API request on NodeJS using Docker
I am trying to have a NodeJS server respond with data from an external API. Consider the index.js file:
const express = require('express');
const axios = require('axios');
const app = express();
app....
1
vote
1
answer
294
views
How to assign which user to execute commands inside the container in AWS FARGATE
i'm trying to launch a nodejs container using AWS FARGATE, the problem i'm facing is that fargate gives me this error :
cannot find this module "/path/to/file/webrtc.js"
And when i execute ...
- 129
0
votes
1
answer
340
views
What's so good about having a job queue?
I am currently building an API that sends transactional emails to users. I do this with a job queue, bull in particular. During development, something crossed my mind; where are these jobs actually ...
2
votes
1
answer
32k
views
what can cause Nginx "Connection reset by peer" when upstream is healthy?
On an AWS Beanstalk deployment (single server) the Nginx server talking to the NodeJS/Express server on the same host occasionally complains about lost connections to upstream.
2020/03/23 10:52:43 [...
- 443
0
votes
1
answer
1k
views
Docker race condition leading to curl error "transfer closed with 1 bytes remaining to read"
It is hard to fully describe our problem. However, I will try my best to provide full information.
I spent many hours and still stuck. Hope that anyone here can help me.
Currently, our container ...
- 101
1
vote
0
answers
2k
views
Axios in a Node.js container on Kubernetes is returning “ECONNREFUSED 127.0.0.1:30561”?
Full error message: connect ECONNREFUSED 127.0.0.1:30561 at TCPConnectWrap.afterConnect
The axios request is running in a Node.js environment (Next.js), which is where the error occurs, strangely the ...
- 111
2
votes
0
answers
6k
views
Dockerfile 'COPY' command not copying files
I am running into a frustrating problem when trying to create and run a new docker container. When I upload my code to a Github repository and then use Docker Hub to build it, the build completes ...
- 21
0
votes
1
answer
1k
views
What is the right way to put Nginx in front of a Node.js Docker app for AWS ECS deployment?
We have a Node.js/Express application that is deployed as Docker containers into AWS ECS. This app has a few static resources (CSS, JS), and I would like requests for these assets to bypass Node.js ...
- 105
1
vote
1
answer
570
views
What is the major difference between AWS Elastic Beanstalk & Docker. Which one should i use?
I just started learning about Amazon elastic beanstalk, and it seems very good and useful. However, it seems like Docker can be used for the same thing.
AWS EB let's you create environments in Node....
- 161
5
votes
1
answer
11k
views
Azure Web App (Linux): “Error: Container didn't respond to HTTP pings on port: 8080” - when using: “start”: “pm2 start server.js”
My App Service Linux instance crashes if my node app is using the start script: "start": "pm2 start server.js":
2019-04-15 11:36:34.432 ERROR - Container crime-digest__6ea5_0 for site crime-...
- 221
1
vote
1
answer
310
views
Node.js UDP listener inside Docker container reports packets' source IP unreliably
I have a Node.JS application receiving UDP packets, which I have recently moved into a Docker container for easy deployment.
The application relies on distinguishing multiple UDP streams based on the ...
- 111
1
vote
1
answer
983
views
Is my docker node application using all available CPUs?
I've got a node app built using a standard node-alpine docker image deployed to Azure App Service. The App Service Plan is set to use 2-core VMs (instance type S2). A single node process will only use ...
- 123
1
vote
1
answer
65
views
Modify running GAE flex node app
We wanted to make a quick change to a running GAE application to enable logging of queries to trace a bug.
SSH'ing into a running instance it can be hard to find where the app code is stored due to ...
google-app-engine
1
vote
0
answers
216
views
Why same request has different response times?
I have an API (built with nodejs) and deployed on a kubernetes cluster using a docker image.
For default route I simply return a Hello World QA! message.
I am testing response times of this GET ...
- 215
0
votes
0
answers
20
views
High performance, high availability backend configuration [duplicate]
We have a mobile app project which at this moment gets very low traffic (few server hits per day) but due to potential cooperation with a big company we might soon start serving as much as 500.000 ...
- 21
-1
votes
1
answer
146
views
Digital Ocean Droplet running Docker -> Jenkins -> Docker -> Jest is shutting down
I have a droplet running docker that runs jenkins.
I have a jenkins pipeline that runs docker and a node test with jest.
It seems like when it gets to the test stage it collapses the whole server.
...
- 621
1
vote
0
answers
24
views
What is the best way of testing million concurrent requests? [duplicate]
I have currently set up a Docker Swarm that has containers with node.js servers running in it. I am going to try different setups with different amount of node.js containers and see how long it takes ...
- 11
11
votes
2
answers
12k
views
docker-compose for nginx and nodejs server
I have the following docker-compose.yml file:
version: '3'
services:
server:
build:
context: ../../
dockerfile: ./packages/website/Dockerfile
command: node ...
- 247
0
votes
1
answer
678
views
Could not login to docker container
I am trying to run my node.js app and mongodb using docker compose. I could setup the containers successfully as follows. The site is also working. But I could not login into the containers.
docker ...
1
vote
0
answers
361
views
Azure App Service Deployment not closing Node.js WebSockets connection
Background
I'm having trouble with an Azure App Service Deployment. I'm using VSTS to do the deployment using the Azure App service Deploy feature. I'm deploying a Docker container to a Linux App ...
- 143
0
votes
1
answer
3k
views
How do I tell what ports are being listenend on by processes inside a docker container?
Docker newbie here.
I am running a node.js utility inside a docker container. This utility is supposed to start a web server, but I don't know if its working.
What can I use to see which ports are ...
- 147
0
votes
1
answer
4k
views
Running Node.js on Docker Busybox
I'm trying to build a minimal node.js docker image. I have compiled node on my Debian system, it installs/works well. Correct me if I'm wrong, to my understanding it should be enough of copying node....
- 368
1
vote
2
answers
131
views
Why is Docker downloading so much when installing NodeJS? [closed]
I have a simple Dockerfile:
FROM node:4.2.2
EXPOSE 8000
When I run docker build -t myapp ., it shows the size of downloaded stuff:
Which seems larger than 200Mb though NodeJS itself is not larger ...
- 379
0
votes
1
answer
86
views
Using GIT to push to several node instances in docker containers
I am planning to setup a Docker environment with several docker containers for various services. These services include a few node instances of the same website.
I develop on my local machine and ...
- 1,651
4
votes
2
answers
2k
views
Auto-scaling docker containers based on EC2 instance load and SQS
I'll start with a small description of how my application works..
If a user on my website adds a task, the task is broken down into multiple sub-tasks, the number can vary from 1 to 10 tasks. These ...
- 41
54
votes
12
answers
190k
views
Docker COPY issue - "no such file or directory"
In my Dockerfile I have the following 'COPY" statement:
# Copy app code
COPY /srv/visitor /srv/visitor
It should go without saying that in my host system, under the "/srv/visitor" directory, there ...
- 1,674
2
votes
0
answers
896
views
Using Docker and Vagrant with Node and Express
So before I start, I'm new to this and since I learn best when I give myself a project I wanted to user Vagrant and Docker to make a simple Node and Express server with a shared folder outside of the ...
- 145
2
votes
1
answer
2k
views
docker development with Node.js and binary node_modules [closed]
I am working on a docker image for a development environment for my Node.js app. When running the docker image, a volume is mounted so that the source code of my app is shared with the container from ...
- 21