diff --git a/.dockerignore b/.dockerignore
index d1e5afb1e..58157d36d 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -8,3 +8,7 @@
 .secrets*.yaml
 apple
 android
+
+# Browser extension builds (large and not needed for server builds)
+pkg/extension
+pkg/extension-v3
diff --git a/packages/api/.dockerignore b/packages/api/.dockerignore
index 4534f100a..2362e53b8 100644
--- a/packages/api/.dockerignore
+++ b/packages/api/.dockerignore
@@ -6,3 +6,13 @@ Dockerfile
 .dockerignore
 *.yaml
 .secrets*.yaml
+
+# Exclude large frontend assets not needed for API
+../../packages/web/public/pspdfkit-lib
+../../packages/web/public/static
+../../packages/web/public/pdfjs-dist
+../../packages/web/public/*.mjs
+../../pkg/extension
+../../pkg/extension-v3
+../../apple
+../../android
diff --git a/packages/db/.dockerignore b/packages/db/.dockerignore
index 2310bc768..4a6e9dd3c 100644
--- a/packages/db/.dockerignore
+++ b/packages/db/.dockerignore
@@ -2,3 +2,11 @@ node_modules
 .env*
 Dockerfile
 .dockerignore
+
+# Exclude large assets not needed for DB migrations
+../../packages/web/public/pspdfkit-lib
+../../packages/web/public/static
+../../pkg/extension
+../../pkg/extension-v3
+../../apple
+../../android
diff --git a/packages/web/.dockerignore b/packages/web/.dockerignore
index 6a5fc75f3..2dcdfd454 100644
--- a/packages/web/.dockerignore
+++ b/packages/web/.dockerignore
@@ -7,3 +7,9 @@ Dockerfile
 *.yaml
 .secrets*.yaml
 
+# Web build needs its public assets, but exclude browser extensions
+../../pkg/extension
+../../pkg/extension-v3
+../../apple
+../../android
+