Update docker-entrypoint.sh (#803)
Update docker-entrypoint.sh (#803)

* Update docker-entrypoint.sh

Update docker-entrypoint.sh to fix sed syntax error when trying to set UI_CONTEXT_PATH to something like /mycontextpatb

* Update central/docker-entrypoint.sh

Co-authored-by: Trask Stalnaker <6a39554eda52e965f5c04e7be6a8af0c0fc021e6@gmail.com>
trask/glowroot,trask/glowroot,glowroot/glowroot,glowroot/glowroot,trask/glowroot,trask/glowroot,glowroot/glowroot,glowroot/glowroot