Ahmad Foroughi

To make running the project easier, I added Dockerfile and Docker-compose.

Fix metadata synchronization issues in Snuba migrations for multi-replica/shard ClickHouse clusters

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**Problem:** The Snuba migration system encountered significant stability issues when running migrations in ClickHouse clusters with multiple replicas and shards. Synchronization errors, particularly due to outdated metadata on zookeeper, frequently...

We needed a way to hard-block specific npm package versions so compromised releases can’t reach developer workstations. This PR adds a configurable deniedVersions list per package, wires a reusable filter...