Switch to an allowlist in .dockerignore

.dockerignore

@@ -1,40 +1,15 @@
-# Local build artifacts
+// Ignore everything
-target
+*
 
-# Data folder
+// Allow what is needed
-data
+!.git
-
-# Misc
-.env
-.env.template
-.gitattributes
-.gitignore
-rustfmt.toml
-
-# IDE files
-.vscode
-.idea
-.editorconfig
-*.iml
-
-# Documentation
-.github
-*.md
-*.txt
-*.yml
-*.yaml
-
-# Docker
-hooks
-tools
-Dockerfile
-.dockerignore
-docker/**
 !docker/healthcheck.sh
 !docker/start.sh
-
+!migrations
-# Web vault
+!src
-web-vault
+
-
+!build.rs
-# Vaultwarden Resources
+!Cargo.lock
-resources
+!Cargo.toml
+!rustfmt.toml
+!rust-toolchain.toml