What is the single most important habit for staying current as Docker/container tooling evolves (e.g., BuildKit, Compose V2, dockershim removal)?

Treating the container ecosystem as actively evolving rather than fixed — periodically re-checking whether a previously-adopted pattern (a builder, a base image strategy, a CI integration approach) still reflects current best practice, since several of the 'old way' patterns covered as historical context in this book (the original docker-compose binary, dockershim, unscanned images as the default) were themselves once the unquestioned standard.