Starting a Postgres Server
Here we will start to learn about the database that we want to add in our app.
We'll cover the following
Postgres server
We want to run a Postgres server for our Rails app to use. The process is very
similar to adding Redis. In the previous chapter, we started by familiarizing ourselves with how to run the Redis server with docker run. However, now that we have had some experience with adding a service, we can jump straight to setting up Postgres directly with Compose.
Modification of docker-compose.yml
Let’s add Postgres to our docker-compose.yml file:
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