External database setup

If you'd like to use an external database with your Coder for Docker deployment, you must:

1. Disable the embedded database by setting the DB_EMBEDDED environment variable (see the next code snippet for an example)

2. Provide the connection information to the external PostgreSQL database:

   docker run --rm -it -p 7080:7080 \
      -v /var/run/docker.sock:/var/run/docker.sock \
      -v ~/.coder:/var/run/coder \
      # Disable using the embedded DB
      -e DB_EMBEDDED="" \
      # Change these values to match those for your database
      -e DB_HOST=127.0.0.1 \
      -e DB_PORT=5432 \
      -e DB_USER=postgres \
      -e DB_PASSWORD="" \
      -e DB_NAME=postgres \
      -e DB_SSL_MODE=disable \
      codercom/coder:1.28.2
   

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Coder supports client TLS certificates using DB_SSL_MODE=verify-full. Ensure that you mount the certs into the container (and add the flag -v <local_certs>:/certs). Then, specify the certificate path using environment variables:

Flag/environment variable	Description
-e DB_CERT=/certs/client.crt	The path to the client cert signed by the CA
-e DB_KEY=/certs/client.key	The path to the client secret
-e DB_ROOT_CERT=/certs/myCA.crt	The path to the trusted CA cert