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Questions tagged [docker]

Use this tag for Docker container specifications (Dockerfiles) or for code that interacts with the Docker server of a system.

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2 votes
1 answer
128 views

Update a docker compose service properly

I'm currently running an executable in Docker that has been mounted as a Docker volume in the foreground. The executable (or the service) continuously generates console output and can be interrupted ...
Tobias Grothe's user avatar
1 vote
0 answers
107 views

How to reduce the build time/cache Docker image layer in subsequent GitHub Actions runs?

I have a Dockerfile with ubuntu:22.04 as a base image and a manual Python installation(specific version i.e., 3.11.1) layer which takes a long time. How to cache ...
shaik moeed's user avatar
5 votes
2 answers
2k views

How to reduce the build time of Docker image layer in GitHub Actions?

I have a Dockerfile with ubuntu:22.04 as a base image and a manual Python installation(specific version i.e., 3.11.1) layer which takes a long time. Approach 1: ...
shaik moeed's user avatar
2 votes
1 answer
45 views

Debian and Docker compose upgrade script, 2nd version

As a continuation of this question, I would like a second review from you. Here is the updated sh script: ...
Tobias Grothe's user avatar
3 votes
1 answer
142 views

Debian and Docker compose upgrade script

I'm running Debian 12 and Docker compose containers. Once a day, crontab should start the script, but the script should also be called manually. Could you rate my upgrade script file or recommend an ...
Tobias Grothe's user avatar
5 votes
2 answers
397 views

Parsing gateway ip from `/proc/net/route` in a docker container

In try to replicate the outcome of the following command sequence using php: netstat -rn | grep "^0.0.0.0 " | cut -d " " -f10 I did this using ...
Dimitrios Desyllas's user avatar
4 votes
2 answers
6k views

Install specific version of Python in docker

Downloading specific version like 3.11.1 from https://www.python.org/ftp/python/3.11.1/Python-3.11.1.tgz and installing ...
Python coder's user avatar
3 votes
0 answers
76 views

CLI app to spin up a Docker cluster

This is my first Go project. I've written a CLI app to provision a database cluster on docker containers. Since it's a distributed database, you can configure per-node services. For example: to ...
user219820's user avatar
7 votes
1 answer
2k views

Nginx Docker image with built from source with modules

I needed Nginx Docker image with additional modules (Lua and headers more) and Lua Prometheus lib. I did not want to use Openresty for that because its Alpine docker image weighs ~110MB, when Nginx ...
murtll's user avatar
  • 73
2 votes
0 answers
59 views

a C/Python X server interface extension package

The project is named winlin; it's a portmanteau of the words window and Linux. I'm working on a CPython extension to interact with the X server and manipulate windows. I don't have a ton of ...
gnarlyninja's user avatar
3 votes
1 answer
105 views

Docker project that deploys a RESTful API with Flask and MySQL

What's up? this is a small project to teach myself Docker. This Docker setup works, healthchecks pass for both app and mysql, app is initialized and is listening as expected, what I'm looking is a ...
aTEdushu's user avatar
2 votes
2 answers
384 views

Multi stage Dockerfile for eccode compilation

I wrote a Dockerfile to install ecCodes for use in a python environment using cfgrib and xarray. The tarball can be found on the ecCode releases page Dockerfile <...
Jason Leaver's user avatar
2 votes
2 answers
144 views

Retrieve Logs from Multiple Containers on Remote Server

Recently I had the requirement to allow multiple containers of the same application to be run on a single development server. This requirement drastically changed how we retrieve logs over SSH from ...
Brendan Lesniak's user avatar
0 votes
1 answer
132 views

nginx react.js dockerfile

https://github.com/bbachi/nextjs-nginx-docker https://github.com/bbachi/nextjs-nginx-docker/blob/main/Dockerfile ...
Sayaman's user avatar
  • 446
4 votes
1 answer
2k views

Ansible playbook to install Docker Swarm

this is my first ansible playbook. it installs docker in swarm mode and automatically joins the cluster. could you guys please review my code and show me where it can be improved? ...
RASG's user avatar
  • 219
2 votes
1 answer
195 views

Docker entrypoint bash script for passing parameters to the containerized app

Source code located here I am trying to pass extra parameters from a container to the contained application. The following bash script is working to pass extra variables, but I'm not sure that it's ...
alphabet5's user avatar
  • 121
1 vote
2 answers
568 views

Bash script (to be used as a login MOTD message) that displays status of docker-compose projects, and individual docker containers

This is for a cheap VPS I use for personal projects. I like having a message of the day displaying system info on login; I wanted to add the status of my docker containers to it, to see if all are ...
DavidPH's user avatar
  • 371
1 vote
1 answer
365 views

Dockerfile of Vim + Plugins and .vimrc

What follows is a Dockerfile for my Vim settings, so I could use it anywhere. While it is public, it is not intended for mass usage, and so the face that it creates the password in the build process ...
Uberhumus's user avatar
  • 183
4 votes
1 answer
785 views

Historical Funding Rate Miner for ftx.com

I recently started to take a look at the Go programming language and decided to write a small project without practical use. The objectives were: Regularly poll the latest funding rates from https://...
Benj's user avatar
  • 389
3 votes
0 answers
368 views

Microservice for scraping images with celery

I made a project, that scrapes images asynchronously and saves them in container. I have access to them through volume. Scrapy finds images on given web page. Any tips will be good. But first I would ...
Grzegorz Krug's user avatar
3 votes
1 answer
68 views

Getting weather and cycling data (yr.no, oslobysykkel)

What I am trying to do, is to get weather data, data about bike trips and populate the postgresql database in order to be able to work with this data from Power BI/Tableau/any other tool. I have two ...
Grevioos's user avatar
  • 291
3 votes
1 answer
1k views

Bash script to send certain data from AWC EC2 to CloudWatch

Here's a little bash script I wrote, which basically checks something on an Amazon EC2 instance and reports data to CloudWatch every 60 seconds. I'll run this inside a container. Everything works just ...
Ali's user avatar
  • 133
6 votes
1 answer
1k views

Implementation of Gitlab CI + Docker + Spring Boot

i would really appreciate if anyone could invest a bit of time to review what i did. Basically this is first time i do this, and that is reason why i need another set of eyes. I have Spring Boot ...
Sahbaz's user avatar
  • 341
3 votes
0 answers
97 views

PowerShell script to execute Docker maintenance, optionally non-interactively

Problem Developers in my team are new to Docker. I wanted to provide a way to accomplish general Docker housekeeping tasks (like pruning unused images and compacting the Hyper-V volume) largely ...
msanford's user avatar
  • 391
2 votes
2 answers
133 views

First Dockerfile, I would appreciate critique

As the title says, this is my first Dockerfile. It won't be published on any registry, just for my internal use at home. I'd appreciate any critique of what I could do better. I'm currently working on ...
Logan M.'s user avatar
  • 131
5 votes
0 answers
835 views

Docker-compose for task-based Flask API with Redis and rq

I am not a Docker guru or expert in Flask or Redis. However, I need to leverage these technologies. I managed to cobble something together that works and would like to submit it for review. The MWE ...
SumNeuron's user avatar
  • 271
3 votes
1 answer
47 views

Deployment Automatization for docker builds, kubernetes deploys and secret injection

I've written a small script that automates the tasks I previously did manually for deploying onto our kubernetes clusters and I am quite happy with the results I have, but I do think that what my ...
Firat Oezcan's user avatar
3 votes
1 answer
690 views

Reviewing the Dockerfile and docker-compose.yml files for a basic nodejs mysql project

I'm new to docker and after much research and stufy I've created a sample application and would like it to be reviewed in case if I'm missing any corner or if there's redundant information that can be ...
Developer's user avatar
  • 205
3 votes
1 answer
139 views

batch add users to nextcloud on docker with csv

I have a working script that will batch add users to an instance of nextcloud running on top of docker. This version is the result of changes made after asking this question. I guess I'm looking for ...
quarterpi's user avatar
  • 183
5 votes
1 answer
378 views

Batch upload users to nextcloud on docker with bash csv

I have this bash script that adds users to NextCloud from a csv file. It expects to be run from the same directory as the docker-compose.yml file. I'm pretty new to bash scripting and I'm wondering ...
quarterpi's user avatar
  • 183
3 votes
1 answer
118 views

Dockerfile to generate a unit test image AND a production image

I use a single dockerfile to build and run the following images: Production application image: ...
Dave New's user avatar
  • 225
3 votes
3 answers
1k views

Bool function in PHP to check if you run the script inside docker

I had to do a CLI script that does something, I also had to add a validation that checks if it runs inside the Docker. After some research I found a solution that people check some processes via ...
Matt Komarnicki's user avatar
1 vote
1 answer
66 views

Combining ADD and VOLUME on a nodejs Dockerfile

I have a node project. My scripts section of package.json looks like this: ...
Justin Dearing's user avatar