Add opam to the common dockerfile, for swh.lister
Related to swh-lister#3358 (closed)
Test Plan
cd docker COMPOSE_DOCKER_CLI_BUILD=1 DOCKER_BUILDKIT=1 docker build -t swh/stack . --pull
Migrated from D5838 (view on Phabricator)
Staging instance, all changes can be removed at any time
Related to swh-lister#3358 (closed)
cd docker COMPOSE_DOCKER_CLI_BUILD=1 DOCKER_BUILDKIT=1 docker build -t swh/stack . --pull
Migrated from D5838 (view on Phabricator)