Issue: My containers (all of which are webservers) can’t communicate with each other by container name (the DNS lookup fails). I can make them communicate by creating a new network and adding each created container to that network, but I’d prefer to not have to do this manually. Details: According to the docs all new ..
I just started working with docker today and am blocked on a permissions issue. I don’t know what I should be entering to switch the permission. I am assuming it’s a chown thing. There are other questions on stack overflow but they did not help me as they were either not Docker specific or did ..
I have 3 microservices: react app, nodejs app 1, nodejs app 2 the react app opens well (localhost:3000) in the browser. When I submit a post request from react to nodejs app1, I get the data back properly. But when I post data from nodejs app1 to nodejs app2 – I get the error Error: ..
I have tried almost every solution I could find on the internet, but nothing has worked. In my .Net 5.0 application, I am trying to override values for ‘IP’ and ‘Port’ in my appsettings.json file using environment variables with the ‘docker run’ command on Linux. This is my appsettings.json file: { "Logging": { "IncludeScopes": false, ..
I’m using someone else’s helm release of blackbox exporter that is configured to scrape a bunch of endpoints and it seemed to be doing so correctly. I’m planning to add different endpoints but I’ve noticed that, out of the templates in my working directory (for configuring the custom endpoints in the helm release), there are ..
There’re two docker images: https://hub.docker.com/_/percona/ and https://hub.docker.com/r/percona/percona-server Both seem to be maintained by Percona and have links to Percona’s github. Why are there two of them? What is the difference between them? Are they compatible with each other? Source: Docker..
I want to build a docker image, via a dockerfile. There is one particular application, i would like the dockerfile to have. The way i install this application is i have some cmake files, and i use make, install. I want to have this functionality inside the dockefile. In other words, when the dockerfile is ..
I have rented a virtual ubuntu server. Various applications run on it in Docker containers and natively: Plesk WordPress Flarum MySQL Wiki.js (in Docker container) Keycloak (in Docker container) MariaDB (in Docker container) I use Keycloak as SSO for WordPress, Wiki.js and Flarum. Now I have the problem that Keycloak simply crashes after a while ..
When I login into a running container, and issue a bash –version command I am seeing the following [email protected]:/myapp# bash –version GNU bash, version 5.0.3(1)-release (x86_64-pc-linux-gnu) Copyright (C) 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software; you are free to change and redistribute it. There ..
I’m trying to setup a system with a number of Docker containers across multiple Docker networks, to limit access. The piece I’m struggling with, is that I want a bridge network allowing containers within it to be accessible from outside the host on specific ports and also for it to have access to communicate with ..
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