I want to unit-test my app which uses a postgres database inside a docker. EDIT: based on the suggested answer I modified the Dockerfile: FROM postgres USER postgres RUN sleep 2 # remark 1 RUN initdb # remark 2 RUN…
I'm building a Python Image in Docker and I need it to be the smaller possible. I'm using venv on my PC and the app is basically a unqiue file .py of 3.2kb. I'm using Python 3.10 and the following…
I want to decrease the number of layers used in my Dockerfile. So I want to combine the COPY commands in a RUN cp. dependencies folder1 file1 file2 Dockerfile The following below commands work which I want to combine using…
I am new to Docker, currently trying to test ping google.com within Docker container (WSL2 Ubuntu 20.04 and Docker desktop). I am trying to build an image with Ubuntu:20.04. When it comes to 'RUN apt-get update', it failed to fetch…
I want to access the lowerquality/gentle container into my Django container. when I run the docker-compose up command I cannot access the gentle container by localhost:49153 I can access the localhost:49153 through my laptop but cannot access it inside the…
I created a REST API using NestJS and I want to deploy it to fly.io. fly.io requires me to create a Dockerfile to do so. I don't know much about Dockerfiles but fly.io has a cli tool that creates one…
import argparse parser = argparse.ArgumentParser() parser.add_argument( '--strat', type=str, ) args = parser.parse_args() strat = args.strat I would like to right my docker-compose.yml file such as I would just pass my argument from there. I did version: "3.3" services: mm: container_name:…
There is a python application which I'm trying to run inside a docker container. So inside the container when I'm trying to curl I can see the output but when I try to see the output on my host machine…
When I build an image from a Dockerfile in my project, how does Docker know if there has been any change in the packages I import. For example, lets say I have RUN pip install flask in my Dockerfile, and…
I'm new to docker and I'd like to understand the reason for this error, I'm creating a dockerfile where to start Elasticsearch, Mysql and the application, when I build it gives me this error "Error response from daemon: dockerfile parse…