23.10.2020 · Intro. This is the Dockerfile we created last time: # 1. Base image FROM python:3.8.3-slim-buster # 2. Copy files COPY . /src # 3. Install dependencies RUN pip install -r /src/requirements.txt. While fully functional, there are a few things we can improve regarding usability, security and performance.
18.09.2018 · Docker compose provides an option to scale a service to the specified number of replicas. You can try this for exmaple: $ docker-compose up -d --scale app=3 WARNING: The "app" service specifies a port on the host. If multiple containers for this service are created on a single host, the port will clash.
I think the problem likely is that $ docker-compose up alone will not rebuild your images if you make changes. In order to get docker-compose to include ...
You can see that we have two images that start with python-docker. We know they are the same image because if you take a look at the IMAGE ID column, you can see that the values are the same for the two images. Let’s remove the tag that we just created. To do this, we’ll use the rmi command. The rmi command stands for remove image.
01.12.2013 · Efficient management Python projects dependencies with Docker. There are many ways to handle Python app dependencies with Docker. Here is an overview of the most common ones – with a twist. In our examples, we will make the following assumptions: the code is directly at the top of the repo (i.e. there’s a setup.py file at the root of the repo);
In my docker image I am cloning the git master branch to retrieve code. I am using docker-compose for the development environment and running my containers with volumes. I ran across an issue when installing new project requirements from my python requirements.txt file.
11.11.2021 · RUN pip install -r requirements.txt COPY . . CMD [ "python", "app.py" ] With this new Dockerfile, the next time Docker checks if layers can be reused, if it finds that there are no changes to the requirements.txt file, it will “jump” straight …
This works for everything in the host folder copied to the container but doesn't work for anything in the /src/shared-modules folders. Maybe they don't exist ...
I updated the Dockerfile to install the packages explicitly instead of installing from requirements.txt, but the app is still fails to start because it can't find the flask_cors module. Here's my current Dockerfile: