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TROUBLESHOOT.md

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Troubleshoot

This page presents users and devs alike with an amalgam of quick fixes for the various issues we ran into.

Docker

Reset

Docker remove all images: docker rmi $(docker images -a -q) Docker remove all Containers: docker stop $(docker ps -a -q) docker rm $(docker ps -a -q) Docker remove all volumes: docker volume rm $(docker volume ls -f)

Reset #2

Docker remove all except volumes: sudo docker system prune Docker remove all volumes: sudo docker volume prune

Docker won't build without super user permissions

  1. Add the docker group if it doesn't already exist:
sudo groupadd docker
  1. Add the $USER you'd like to use to the docker group
sudo gpasswd -a $USER docker
  1. a. Log yourself into the new docker group:
newgrp docker
  1. b. Log out and log in to the user you just added to the docker group.
  2. Test if you can run docker without su privileges by typing:
docker run hello-world

PostgreSQL

DB reset

In root directory ./cjlean db-reset

DB reset alternative

  1. Get into postgres container: docker exec -it <CONTAINER_ID> bash
  2. Enter postgres command line: psql postgres postgres (if asked for password enter DEV_PASS_NOT_SECRET)
  3. Type in order: DROP SCHEMA public CASCADE; CREATE SCHEMA public; GRANT ALL ON SCHEMA public TO postgres; GRANT ALL ON SCHEMA public TO public;
  4. Type: \q to exit psql

Environment variable errors

  1. Ensure when building that you did not build with root
  2. Ensure the environment variables are set up in ~/.bashrc
  3. If you built with root, ./cjl clean with root and ./cjl build --no-cache out of root

We've noticed that sometimes the database takes ~30 sec to create the models at runtime and be ready to accept connections, but the application services have thrown an error due to the requirement of creating a database connection. If you simply ./cjl down && ./cjl up, this problem goes away, but it may be worth having the application servers stall and wait as they perform a health check on the database before attempting to create a database connections.