diff --git a/.dockerignore b/.dockerignore
index 8daed3580..7207b91f1 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -78,3 +78,12 @@ cmake_install.cmake
 CMakeCache.txt
 CMakeFiles/
 cmake-build-*/
+
+# Local secrets and credentials -- never commit these
+.env
+.env.*
+*.pem
+*.key
+*credentials*
+*secret*
+kubeconfig
diff --git a/.gitignore b/.gitignore
index 118d953e5..cfc7fe8ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -78,3 +78,12 @@ cmake_install.cmake
 CMakeCache.txt
 CMakeFiles/
 cmake-build-*/
+
+# Local secrets and credentials -- never commit these
+.env
+.env.*
+*.pem
+*.key
+*credentials*
+*secret*
+kubeconfig