Running Prisma Migrations in a Dockerized GraphQL + Postgres Setup

Описание: Learn how to efficiently run Prisma migrations within a containerized GraphQL and Postgres environment, using Docker and Docker Compose.
---
This video is based on the question https://stackoverflow.com/q/66646432/ asked by the user 'Max de Krieger' ( https://stackoverflow.com/u/9864147/ ) and on the answer https://stackoverflow.com/a/69800974/ provided by the user 'Max de Krieger' ( https://stackoverflow.com/u/9864147/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How do I run Prisma migrations in a Dockerized GraphQL + Postgres setup?

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Run Prisma Migrations in a Dockerized GraphQL + Postgres Setup

If you're diving into the world of Prisma, Docker, and PostgreSQL, you may find yourself facing the challenge of running migrations seamlessly in your containerized environment. In this guide, we will explore how to set up your project correctly, separate migration processes, and ensure everything runs smoothly. Whether you're building a GraphQL API with Apollo Server or dealing with authentication and roles, this guide should clarify any misconceptions you might have.

Introduction to the Problem

In your current setup, you have a basic docker-compose.yml and Dockerfile for your GraphQL API. However, you need to integrate Prisma to manage your database schema changes using migrations. The goal is to automate the migration process, so you don’t have to run Prisma commands manually in your CLI, especially as you work in a Dockerized environment.

Step 1: Setting Up Docker Compose for Migrations

Rather than mixing your migration and main application setups, you should separate the two processes into different Docker Compose files. This strategy keeps your application organized and makes running migrations straightforward.

Create the Migration Docker Compose File

You will create a new file named docker-compose.migrate.yml. Below is a sample configuration for this file:

[[See Video to Reveal this Text or Code Snippet]]

Configure the Prisma Dockerfile

Next, you will need a specific Dockerfile for your Prisma service. Here's a basic version:

[[See Video to Reveal this Text or Code Snippet]]

Implementing the wait-for-postgres Script

To ensure that the Prisma migrations will run only after the PostgreSQL database is ready, you'll need a small shell script, wait-for-postgres.sh. Here’s how it looks:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Configuring Your Environment Variables

Along with your Docker configuration, it's crucial to set up your .env file properly. Here’s an example:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By separating out your migration process into a distinct Docker Compose configuration and incorporating a wait script, you can streamline your workflow significantly. This setup ensures that your Prisma migrations are executed correctly without manual interventions, making your development process more efficient.

That's it! You now have a solid foundation for running Prisma migrations within your Dockerized GraphQL + Postgres setup. If you have questions or need further clarification, feel free to ask!