Fix cryptography
This PR rewrites the Dockerfiles to use python:3.9-slim
rather than the Alpine images so we can get pre-built .whls for the new Rust-based Python cryptography
package.
Supersedes !379 (closed)
This PR rewrites the Dockerfiles to use python:3.9-slim
rather than the Alpine images so we can get pre-built .whls for the new Rust-based Python cryptography
package.
Supersedes !379 (closed)