diff --git a/.dockerignore b/.dockerignore
index 2bf5677..9916791 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -22,11 +22,15 @@ build/Release
 # Dependency directory
 # Deployed apps should consider commenting this line out:
 # see https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git
-node_modules
+node_modules/**
+!node_modules/.gitkeep
 
 # Webpack output
 /dist
 
+# Intermediate build files (cache, etc.)
+/build
+
 ###
 
 Dockerfile
diff --git a/.eslintignore b/.eslintignore
index b73b591..23a9be9 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -22,7 +22,11 @@ build/Release
 # Dependency directory
 # Deployed apps should consider commenting this line out:
 # see https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git
-node_modules
+node_modules/**
+!node_modules/.gitkeep
 
 # Webpack output
 /dist
+
+# Intermediate build files (cache, etc.)
+/build
diff --git a/.gitignore b/.gitignore
index 00d5924..23a9be9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,10 +20,13 @@ coverage
 build/Release
 
 # Dependency directory
-# Deployed apps should consider commenting these line out:
+# Deployed apps should consider commenting this line out:
 # see https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git
 node_modules/**
 !node_modules/.gitkeep
 
 # Webpack output
 /dist
+
+# Intermediate build files (cache, etc.)
+/build