When have Docker compose components, which have to wait for each other
docker-compose-wait can be of great help.
version 3 of the Docker compose file format has a depends_on parameter.
It does however have issues you have to be aware of.
depends_on does not wait for db and redis to be “ready” before starting web - only until they have been started. If you need to wait for a service to be ready,
The article on Controlling startup order contains mentions of tools to use or examples of how to roll your own. docker-compose-wait has worked for me and is my recommendation in this problem area.
Version 1.0.0 is shell based, newer versions are based on Rust.