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Questions tagged [dockerfile]

For questions about Dockerfiles - text files containing instructions to build Docker container images.

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Docker Desktop - WSL distro termined abruptly

I'm on Windows 10 with Docker Desktop and I get this error every time i'm trying to create the image from this dockerfile: # syntax=docker/dockerfile:1 FROM nvidia/cuda:11.3.1-cudnn8-devel-ubuntu20....
Danfb__'s user avatar
1 vote
1 answer
35 views

Can't connect to local mongoDB from Docker Container

I have mongodb running in the host machine (Ubuntu 23.04) in the default port. I have set the bind_ip to be 0.0.0.0. In my docker-compose file, I have added extra_hosts: - "host.docker....
Equation_Charmer's user avatar
0 votes
0 answers
17 views

Conda environment in docker

I am new to dockerization and I am trying to make a docker image out of git repository. The Dockerfile looks like this, FROM continuumio/miniconda3:latest ENV PYTHONDONTWRITEBYTECODE=1 ENV ...
Shaz's user avatar
  • 101
0 votes
0 answers
21 views

ADD'ing a zip file during a docker build corrupts the ADD'ed file

I am trying to upload a Python .whl file (essentially a .zip file) while building a Dockerfile image: FROM python:3.12-slim-bookworm RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-...
rlandster's user avatar
  • 121
0 votes
0 answers
8 views

exporting Mikrotik as an OS

how can I export license "mikrotik" platform as a Docker image file? I boot a OVF file in Virtual machine and I need a command in router OS for build a docker image.
Ali Yadollahi's user avatar
0 votes
0 answers
70 views

Base image can not be fetched within Dockerfile build but can be fetched from shell

Client: Docker Engine - Community Version: 24.0.6 OS: RHEL8 I want to build an existing docker compose project on a new VM. The docker compose project consists of two containers db and web. I have ...
Michael's user avatar
  • 69
0 votes
0 answers
10 views

Ensuring Ubuntu docker image will not kill the process under heavy load

We run our app as a daemon (or some times with nohup command) so that Ubuntu will not kill this process under heavy processor and memory load. However, we want to dockerize (on Ubuntu 20.04 docker ...
RajS's user avatar
  • 141
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0 answers
83 views

Unable to build multi architecture docker image

I want to built a docker image on my Intel laptop. The image will be deployed on both x86/x64 and arm64 hosts. The docker file uses ubuntu:20.04 base image. I tried building the image with following ...
RajS's user avatar
  • 141
0 votes
0 answers
18 views

node_modules is several orders of magnitude bigger inside the container compare to host machine

I have a simple Next project in Docker following the common recommendations for small-size containers. Heres my Dockerfile: FROM node:16-alpine as dependencies WORKDIR /app COPY package.json ./ COPY ...
DomingoSL's user avatar
  • 101
0 votes
1 answer
91 views

Prevent docker to write inside container

I have an extracted container deployed on a shared storage, and want to launch this container locally. However, when I launch this container to run an application, it creates some temporary files ...
Sandy's user avatar
  • 1
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0 answers
44 views

How to run pytorch on gitlab-runner via docker?

I am learning gitlab ci/cd with a AI/Deep learning application in mind. But I wasn't sure how pytorch could be used in a gitlab-runner. According to documentation: The following multi-platform Docker ...
tinlyx's user avatar
  • 109
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0 answers
27 views

Run Docker container with user who started it

I have two users on host machine usera, userb. I have added these users to the Dockerfile as below. FROM ubuntu:latest ENV DEBIAN_FRONTEND=noninteractive \ TERM=xterm RUN groupadd -g 1111 ...
noonenine's user avatar
0 votes
0 answers
119 views

Cannot install packages with apt in docker image

I'm trying to create my own postgres image that is supposed to connect to a postgreSQL database hosted on AWS RDS, however, I'm having trouble connecting to that database as well as trouble installing ...
ptushev's user avatar
0 votes
0 answers
138 views

Angular universal with docker giving bad gateway

I am trying to dockerizing a angular universal app using nginx, and it's giving me really hard time. It keeps saying 502 bad gateway and I am unable to wrap my head around it. This is my Dockerfile ...
M Safdar Ali Khan's user avatar
0 votes
1 answer
1k views

Docker push getting error EOF to private repository

I'm trying to push images to repo private, but it's getting error below. Before, it was working, but idk what happened... PS C:\Users\user\aplication> docker push registry.apprepo.app/app:1.22.3 ...
Limup's user avatar
  • 1
0 votes
0 answers
25 views

Unable to understand Docker error

I am new to Docker and trying to run a webserver written in Python. I am using Linux Debian running as virtual machine on a Windows host. I have mounted the required folder from my Windows host to the ...
MAJID AHMAD's user avatar
2 votes
1 answer
940 views

Can't change ownership of folders and files in Docker containers

I am having these two dockerfiles which in both I am adding the command RUN chown -R www-data:www-data /var/www/html to change the ownership to www-data user. The containers seems to build ...
ltdev's user avatar
  • 121
0 votes
1 answer
46 views

how to decrease the docker image layers latency during the image build step?

I am following the Microsoft document to create a custom image of vsts-agent on top of ubuntu and install the required capabilities. Since our environment is not having internet enabled, we used ...
Vowneee's user avatar
  • 101
2 votes
1 answer
651 views

Docker Compose: How do you build an image while running another container?

I'm trying to build a Nuxt 3 application using docker compose. However, I'm having trouble with docker compose and dockerfile configuration. Context To give background on the project that I'm working ...
Zerro97's user avatar
  • 21
0 votes
1 answer
1k views

Multistage docker build for Python distroless image

This is my Dockerfile for distroless image similar to this example FROM python:3.9-slim AS build-venv RUN python3 -m venv /venv # other installation steps go here RUN /venv/bin/pip install --upgrade ...
GopherM's user avatar
  • 103
-1 votes
1 answer
213 views

How do I install BlackDuck on mac?

I am trying to scan container images using the blackdock scanning tool. Unfortunately, I couldn't find any free version to play around with; please provide guidance and the simplest way to scan the ...
user3795861's user avatar
0 votes
2 answers
154 views

How do I run a CI build in a docker image matching the current `Dockerfile` while being resource-aware?

Given a repository containing a Dockerfile that defines the build environment used by the CI pipeline as well as by the developer (e.g. as a Visual Studio Code devcontainer), the CI pipeline shall ...
Roland Sarrazin's user avatar
0 votes
1 answer
4k views

Docker warning about platform not matching the host platform

I have a Dockerfile that works on both mac and windows. But when I create an actual container on mac, I always get a warning that says: PS /Users/me/> docker run -it platformtest /bin/bash WARNING:...
dot's user avatar
  • 115
2 votes
0 answers
329 views

Run commands on docker container and sync automatically with host

I Dockerkized a MENN(Nextjs) stack App, now everything works fine. I run into issues when i need to install npm packages. let me first show you the structure src/server/Dockerfile FROM node:14-alpine ...
uneeb meer's user avatar
0 votes
1 answer
307 views

Buildkit failing arm builds with missing binaries even though they are in $PATH

A few of our developers recently got some M1 machines, I want to provide them with ARM compatible images and have set my sights on Buildkit. I set up a podTemplate in Jenkins and run the build with ...
Kristoffer Sall-Storgaard's user avatar
1 vote
3 answers
953 views

How do I create a Docker image from a container without configuration changes?

I am aware of two ways of creating Docker images: Build the image using a Dockerfile Use docker commit <container_id> against a running container with changes. I find changing a Dockerfile ...
kcghost's user avatar
  • 111
0 votes
1 answer
1k views

Install a RPM from build context without copying it first

During dockerbuild, I'd like to install a (rather big) RPM from build context/host without copying it first into the image in order to keep my image small. Ideally, there would be a way to read a file ...
MRalwasser's user avatar
0 votes
1 answer
2k views

My Python application doesn't communicate with MySQL inside docker. Can someone help me?

The connection is not succeeding in docker. Look at my settings: Dockerfile FROM python:3.8.5-alpine WORKDIR /app COPY requirements.txt . RUN python3 -m pip install --upgrade pip RUN pip install -...
Flavio W.'s user avatar
0 votes
2 answers
82 views

Specify image in Dockerfile based on building client platform/architecture

I have a somewhat specific, Swift-based problem. It seems that none of the official Swift images on Dockerhub support the M1, and instead the only seemingly reliable arm64 Swift images are found at ...
JMA's user avatar
  • 101
5 votes
2 answers
12k views

DNS resolution fails when container is started via docker-compose

I recently decided to try out windows containers and i am using my private minecraft server for that purpose (as a hobby project). I have an image prepared, based on Windows Server Core 2022. When i ...
AdrianDeWinter's user avatar
1 vote
1 answer
1k views

Building a docker container with multiple conda envs

As a novice to the technology I have only a basic knowledge regarding how to build and deploy a docker so i was hoping someone could provide some help. The situation is the following: I need to create ...
bboy's user avatar
  • 11
1 vote
2 answers
323 views

Package installed using Dockerfile not available on Jenkins pipeline stage

I'm having sort of a weird problem with my Jenkins pipeline. I've defined a Dockerfile which installs some tools I need for my CI/CD pipeline, such as node, npm, sfdx, and sfpowerkit (a plugin for ...
Pietro Zuntini's user avatar
0 votes
1 answer
819 views

PROXY is not working inside windows container

I'm using windows containers in windows 10. I've set proxy variables(HTTP_PROXY,HTTPS_PROXY) in environmental variable setup and using VPN. I also configured resources -> Proxies. I was trying to ...
imaheshwaran s's user avatar
5 votes
2 answers
377 views

Best Practice for writing DockerFile

I have mostly seen people using following type of pipeline steps(it varies, but in general this is the flow of steps I have observed) Process: clone repo -> build -> test -> create docker ...
dev2d's user avatar
  • 151
1 vote
1 answer
2k views

Using access tokens on Dockerfile to clone repository: RUN command error

In a Dockerfile, I'm trying to clone several Gitlab repositories that are specified in a file, one per line, using an access token passed as an environment variable set in docker-compose.yml: COPY my-...
dvilela's user avatar
  • 121
0 votes
1 answer
90 views

Continuous Deployment with jenkins

I am a beginner in DevOps. I created a continuous integration cycle using jenkins(docker image) and bitbucket. I used a simple spring boot hello-world project and after CI i got an executable Jar. I ...
Youssef Boudaya's user avatar
0 votes
1 answer
5k views

Having trouble with building Docker image

I'm trying to build a docker image for a software using docker build -t cytools . Here is the output that I'm confused about: [+] Building 0.0s (1/2) ...
mp62442's user avatar
2 votes
3 answers
11k views

How can I get the Docker target platform inside the Build Environment / Dockerfile

I'm doing multi-platform builds with buildx and would like to know if there is a way to determine what platform is currently being build so I can avoid certain steps for certain environments. For ...
Tracker1's user avatar
  • 123
0 votes
1 answer
46 views

is a secrets-provider-container a good idea?

I am looking for a way to provide secrets to a container running on Google Cloud Run responding to the following criteria: secure centralized & pulled based free simple working with a team, with ...
Quentin Gaultier's user avatar
1 vote
2 answers
371 views

Can I build docker image containing ARM executable when running docker build on non-ARM architecture?

I have built on an x86-based Windows laptop a Docker image to be run as a container on an ARM-based architecture (Raspberry Pi 4). Due to ending up with an x86 executable when this is built in the ...
John Ramsden's user avatar
2 votes
2 answers
19k views

How to serve a custom index.html using the stock nginx docker image?

How do I serve static content from the default nginx docker image? Given: root@mordor:~# root@mordor:~# docker image ls nginx REPOSITORY TAG IMAGE ID CREATED ...
Nicholas Saunders's user avatar
0 votes
1 answer
643 views

How to navigate to an index.html with nginx?

This builds and runs without apparent error: root@mordor:/home/nicholas/docker/nginx# root@mordor:/home/nicholas/docker/nginx# docker exec -ti some-nginx bash root@2c912aa5ce5c:/# root@2c912aa5ce5c:/...
Nicholas Saunders's user avatar
0 votes
2 answers
2k views

How to copy HTML files to include into nginx?

How do I copy an index.html file into nginx? root@mordor:/home/nicholas/docker/nginx# root@mordor:/home/nicholas/docker/nginx# ll total 12 drwxrwxr-x 2 nicholas nicholas 4096 Nov 13 16:18 ./ drwxrwxr-...
Nicholas Saunders's user avatar
0 votes
2 answers
1k views

Minecraft docker-container refuses connection

So I have this Dockerfile: FROM openjdk:8u212-jre-alpine LABEL maintainer "cowboy_patrick" RUN apk add --no-cache -U \ openssl \ imagemagick \ lsof \ su-exec \ shadow \ bash \ ...
Cowboy_Patrick's user avatar
2 votes
1 answer
44 views

why use multiple From instructions in multistage build?

I'm new to Docker, sorry if my question sounds dumb. below is a dockerfile from a textbook shows how multistage build works: FROM diamol/base AS build-stage RUN echo 'Building...' &...
amjad's user avatar
  • 123
3 votes
2 answers
1k views

Unable to build Image as it is asking some input

I am trying to create an Image which will run ftp server on centos. Dockerfile content is as below: FROM centos RUN \ yum update -y && \ yum install vsftpd -y EXPOSE 21 CMD vsftpd -...
Puneet Dixit's user avatar
1 vote
1 answer
647 views

Grant access permission to file when mounting from host

Below is except of my docker-compose.yml file I am trying to mount from host file inside the container, which works i.e. able to mount but then I need to give it permission (my clumsy chown command, ...
x0rcist's user avatar
  • 11
1 vote
1 answer
321 views

Why does running echo with exec form in a Dockerfile create /etc/resolv.conf?

I was trying to build a Docker image from a Dockerfile and I had a line in there which reads: RUN ["echo", "'anything'", ">", "./a_file"] This didn't work, and I eventually had to use: RUN ["sh",...
dayuloli's user avatar
  • 141
1 vote
1 answer
73 views

Running Two infinite commands on single pod/image

I have a Dockerfile with a CMD, it calls a .sh file that runs a Django app ( makemigrations, migrate and uwsgi ) And that runs fine in a pod. There's a django admin script that runs infinitely that I'...
hvannia's user avatar
  • 31
3 votes
1 answer
345 views

Multiple apps (microservices) and one proxy (nginx) docker-compose configuration/architecture

Having the following architecture: Microservice 1 + DB (microservice1/docker-compose.yml) Microservice 2 + DB (microservice2/docker-compose.yml) Proxy (proxy/docker-compose.yml) Which of the ...
Mr. Mars's user avatar
  • 163