diff --git a/.envrc b/.envrc
new file mode 100644
index 00000000..1d953f4b
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use nix
diff --git a/.gitignore b/.gitignore
index 830dd75b..e5790860 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,5 @@ build/*
 !build/README.md
 !build/*.sh
 !build/Dockerfile.*
+.misc
+.direnv