Update .dockerignore and .gitignore

.dockerignore

@@ -33,12 +33,15 @@
 /.shellcheckrc
 .credo.exs
 .formatter.exs
+.sobelow-conf
 
 compose.yaml
+Dockerfile
 
 # Mix artifacts
 /_build/
 /deps/
+/.fetch
 *.ez
 
 # Scripts
@@ -68,3 +71,8 @@ CLAUDE.md
 /mise.toml
 /mise.local.toml
 /.tool-versions
+/.lexical
+.env.example
+
+# Benchmarks
+/bench

.gitignore

@@ -22,9 +22,6 @@ erl_crash.dump
 # Temporary files, for example, from tests.
 /tmp/
 
-# Ignore package tarball (built via "mix hex.build").
-music_library-*.tar
-
 # Ignore assets that are produced by build tools.
 /priv/static/assets/
 
@@ -45,6 +42,4 @@ npm-debug.log
 # LSP Servers
 /.lexical
 
-# Database files in priv directory
-priv/**/*.db
 /.expert