mycmd
docker-flask-example
mycmd | docker-flask-example | |
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1 | 31 | |
4 | 551 | |
- | - | |
3.1 | 7.8 | |
19 days ago | 19 days ago | |
Shell | Python | |
MIT License | MIT License |
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mycmd
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Bash functions are better than I thought
Woah, this is very cool. I may try to adopt this.
I recently discovered, similar to the author of the post for this thread, that local variables are dynamically scoped.
I have been writing a lot more shell scripts lately, using a "library" [1] of sorts I've been writing. When I was debugging one of my scripts that uses mycmd, I discovered that I had failed to declare some of my variables local and they were leaking out to the global scope.
I had recently added functionality to call a set of functions on script exit, so I added something that would output the defined variables, in hopes that I could write something that will output them at the beginning and then the end and show the difference. I was surprised when variables defined in my dispatch function [2] for those at exit functions were showing up, even though they were definitely defined as local. It was then that I dug around and discovered the dynamic scope of variables.
I've been trying to figure out how to accomplish what I desire but exclude those variables from calling functions. I haven't been able to find an obvious way to see if the variable is coming from a calling function. I might be able to use techniques like you've pointed out in your linked post to add the tracing that I want. Still need to think more on this.
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[1] https://github.com/travisbhartwell/mycmd
docker-flask-example
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We Have to Talk About Flask
I've been maintaining my Build a SAAS App with Flask video course[0] for 8 years. It has gone from pre-1.0 to 2.3 and has been recorded twice with tons of incremental updates added over the years to keep things current.
In my opinion tutorial creators should pin their versions so that anyone taking the course or going through the tutorial will have a working version that matches the video or written material.
I'm all for keeping things up to date and do update things every few months but rolling updates don't tend to work well for tutorials because sometimes a minor version requires a code change or covering new concepts. As a tutorial consumer it's frustrating when the content doesn't match the source code unless it's nothing but a version bump.
I've held off upgrading Flask to 3.0 and Python 3.12 due to these open issues with 3rd party dependencies https://github.com/nickjj/docker-flask-example/issues/17.
[0]: https://buildasaasappwithflask.com/
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Working with Docker Containers Made Easy with the Dexec Bash Script
I usually end up with project specific "run" scripts which are just shell scripts so I can do things like `./run shell` to drop into the shell of a container, or `./run rails db:migrate` to run a command in a container.
Here's a few project specific examples. They all have similar run scripts:
- https://github.com/nickjj/docker-flask-example
- Looking to use Docker & Docker Compose in production and need advice.
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Docker Compose Examples
There's a lot of "tool" selections in that repo.
If anyone is looking for ready to go web app examples aimed at both development and production, I maintain:
- https://github.com/nickjj/docker-flask-example
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starter project?
Personally I maintain https://github.com/nickjj/docker-flask-example. There's also https://github.com/nickjj/build-a-saas-app-with-flask if you want more opinions.
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Act: Run your GitHub Actions locally
This is what I do except I use a shell script instead of a Makefile.
A working example of this is at: https://github.com/nickjj/docker-flask-example/blob/912388f3...
Those ./run ci:XXX commands are in: https://github.com/nickjj/docker-flask-example/blob/912388f3...
I like it because if CI ever happens to be down I can still run that shell script locally.
- docker-compose file repository?
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How boring should your team be
> I've encountered a code written in the 12factor style of using environment variables for configuration, and in that particular case there was no validation nor documentation of the configuration options. Is this typical?
I don't know about typical, it comes down to how your team values the code they write.
You can have a .env.example file commit to version control which explains every option in as much or as little detail as you'd like. For my own personal projects, I tend to document this file like this https://github.com/nickjj/docker-flask-example/blob/main/.en....
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The Unreasonable Effectiveness of Makefiles
I did this for a while but make isn't well suited for this use case. What I end up doing is have a shell script with a bunch of functions in it. Functions automatically becomes a callable a command (with a way to make private functions if you want) with pretty much no boiler plate.
The benefit of this is it's just shell scripting so you can use shell features like $@ to pass args to another command or easily source and deal with env vars.
I've written about this process at https://nickjanetakis.com/blog/replacing-make-with-a-shell-s... and an example file is here https://github.com/nickjj/docker-flask-example/blob/main/run.
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Flask boilerplate project recommendation?
There's: https://github.com/nickjj/docker-flask-example
What are some alternatives?
hasura-ci-cd-action
mangum - AWS Lambda support for ASGI applications
basalt - The rock-solid Bash package manager.
build-a-saas-app-with-flask - Learn how to build a production ready web app with Flask and Docker.
Seed - A Rust framework for creating web apps
earthly - Super simple build framework with fast, repeatable builds and an instantly familiar syntax – like Dockerfile and Makefile had a baby.
bash2048 - 2048 in bash
full-stack-fastapi-template - Full stack, modern web application template. Using FastAPI, React, SQLModel, PostgreSQL, Docker, GitHub Actions, automatic HTTPS and more.
stripe-jobs-cli
postgres-and-redis - 🗄 PostgreSQL + Redis. Self-Hosted. Docker + Traefik + HTTPS.
bash-core - Core functions for any Bash program.
cookiecutter-flask - A flask template with Bootstrap, asset bundling+minification with webpack, starter templates, and registration/authentication. For use with cookiecutter.