java.net.UnknownHostException: postgres - after migrating container to new host

[lulu-2021]

I migrated all the docker volumes with the data and am in the process of migrating the containers - but can't get bitbucket to connect with the db.

I have a postgres docker container and a bitbucket app container both have

--network="bitbucket_default"

I added these three to the bitbucket container start up command

--env="DB_HOST=bitbucket_db" \
--env="PG_HOST=bitbucket_db" \
--env="DOCKER_WAIT_HOST=bitbucket_db" \

But they didn't suffice/fix the issue - Thanks

I can connect to the postgres container - using a small container with the psql client on the same network - so clearly I am just not passing the right ENV vars to bitbucket - can you help?

HERE IS THE Java (console) error - it's trying to talk to an host called postgres that does not exist..

JAVA start up error
org.postgresql.util.PSQLException: The connection attempt failed.
at org.postgresql.Driver$ConnectThread.getResult(Driver.java:401)
at org.postgresql.Driver.connect(Driver.java:259)
....
Caused by: java.net.UnknownHostException: postgres

[ckotte]

Are you able to ping postgres in the bitbucket container??