Hackathon starter project for Flask applications
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This is a hackathon boilerplate for new Flask web applications created by Major League Hacking. It is for hackers looking to get started quickly on a new hackathon project using the Flask microframework.
This project requires the following tools:
To get started, install Python and Postgres on your local computer if you don't have them already. A simple way for Mac OS X users to install Postgres is using Postgres.app. You can optionally use another database system instead of Postgres, like SQLite.
Step 1. Clone the code into a fresh folder
$ git clone https://github.com/MLH/mlh-hackathon-flask-starter.git $ cd mlh-hackathon-flask-starter
Step 2. Create a Virtual Environment and install Dependencies.
Create a new Virtual Environment for the project and activate it. If you don't have the
virtualenvcommand yet, you can find installation instructions here. Learn more about Virtual Environments.
$ virtualenv venv $ source venv/bin/activate
Next, we need to install the project dependencies, which are listed in
(venv) $ pip install -r requirements.txt
Step 3: Create an app on GitHub
Head over to GitHub OAuth apps and create a new OAuth app. Name it what you like but you'll need to specify a callback URL, which should be something like:
The default port for Flask apps is
5000, but you may need to update this if your setup uses a different port or if you're hosting your app somewhere besides your local machine.
Step 4: Setup your database
You need to be able to connect to a database either on your own computer (locally) or through a hosted database. You can install Postgres locally and connect to it to provide the database for your app.
You will need to know the connection URL for your application which we will call
DATABASE_URLin your environment variables. Here is an example:
Step 5: Update environment variables and run the Server.
Create a new file named
.env.example. Update the new file with the GitHub credentials. It should look similar to this:
# .env file DATABASE_URL="[INSERT_DATABASE_URL]" GITHUB_CLIENT_ID="[INSERT_CLIENT_ID]" GITHUB_CLIENT_SECRET="[INSERT_CLIENT_SECRET]"
You replace the GitHub credentials here and update the database URL. Learn more about the required Environment Variables here.
Now we're ready to start our server which is as simple as:
(venv) $ flask run
Open http://localhost:5000 to view it in your browser.
The app will automatically reload if you make changes to the code. You will see the build errors and warnings in the console.
We enforce a Code of Conduct for all maintainers and contributors of this Guide. Read more in CONDUCT.md.
The Hackathon Starter Kit is open source software licensed as MIT.