diff --git a/docs/book/src/component-config-tutorial/testdata/project/.dockerignore b/docs/book/src/component-config-tutorial/testdata/project/.dockerignore
index 243f81a5080..0f046820f18 100644
--- a/docs/book/src/component-config-tutorial/testdata/project/.dockerignore
+++ b/docs/book/src/component-config-tutorial/testdata/project/.dockerignore
@@ -1,5 +1,4 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
-# Ignore all files which are not go type
-!**/*.go
-!**/*.mod
-!**/*.sum
+# Ignore build and test binaries.
+bin/
+testbin/
diff --git a/docs/book/src/cronjob-tutorial/testdata/project/.dockerignore b/docs/book/src/cronjob-tutorial/testdata/project/.dockerignore
index 243f81a5080..0f046820f18 100644
--- a/docs/book/src/cronjob-tutorial/testdata/project/.dockerignore
+++ b/docs/book/src/cronjob-tutorial/testdata/project/.dockerignore
@@ -1,5 +1,4 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
-# Ignore all files which are not go type
-!**/*.go
-!**/*.mod
-!**/*.sum
+# Ignore build and test binaries.
+bin/
+testbin/
diff --git a/docs/book/src/multiversion-tutorial/testdata/project/.dockerignore b/docs/book/src/multiversion-tutorial/testdata/project/.dockerignore
index 243f81a5080..0f046820f18 100644
--- a/docs/book/src/multiversion-tutorial/testdata/project/.dockerignore
+++ b/docs/book/src/multiversion-tutorial/testdata/project/.dockerignore
@@ -1,5 +1,4 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
-# Ignore all files which are not go type
-!**/*.go
-!**/*.mod
-!**/*.sum
+# Ignore build and test binaries.
+bin/
+testbin/
diff --git a/pkg/plugins/golang/v3/scaffolds/internal/templates/dockerignore.go b/pkg/plugins/golang/v3/scaffolds/internal/templates/dockerignore.go
index 7aa0150303d..45be541be72 100644
--- a/pkg/plugins/golang/v3/scaffolds/internal/templates/dockerignore.go
+++ b/pkg/plugins/golang/v3/scaffolds/internal/templates/dockerignore.go
@@ -39,8 +39,7 @@ func (f *DockerIgnore) SetTemplateDefaults() error {
 }
 
 const dockerignorefileTemplate = `# More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
-# Ignore all files which are not go type
-!**/*.go
-!**/*.mod
-!**/*.sum
+# Ignore build and test binaries.
+bin/
+testbin/
 `
diff --git a/testdata/project-v3-addon/.dockerignore b/testdata/project-v3-addon/.dockerignore
index 243f81a5080..0f046820f18 100644
--- a/testdata/project-v3-addon/.dockerignore
+++ b/testdata/project-v3-addon/.dockerignore
@@ -1,5 +1,4 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
-# Ignore all files which are not go type
-!**/*.go
-!**/*.mod
-!**/*.sum
+# Ignore build and test binaries.
+bin/
+testbin/
diff --git a/testdata/project-v3-config/.dockerignore b/testdata/project-v3-config/.dockerignore
index 243f81a5080..0f046820f18 100644
--- a/testdata/project-v3-config/.dockerignore
+++ b/testdata/project-v3-config/.dockerignore
@@ -1,5 +1,4 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
-# Ignore all files which are not go type
-!**/*.go
-!**/*.mod
-!**/*.sum
+# Ignore build and test binaries.
+bin/
+testbin/
diff --git a/testdata/project-v3-multigroup/.dockerignore b/testdata/project-v3-multigroup/.dockerignore
index 243f81a5080..0f046820f18 100644
--- a/testdata/project-v3-multigroup/.dockerignore
+++ b/testdata/project-v3-multigroup/.dockerignore
@@ -1,5 +1,4 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
-# Ignore all files which are not go type
-!**/*.go
-!**/*.mod
-!**/*.sum
+# Ignore build and test binaries.
+bin/
+testbin/
diff --git a/testdata/project-v3/.dockerignore b/testdata/project-v3/.dockerignore
index 243f81a5080..0f046820f18 100644
--- a/testdata/project-v3/.dockerignore
+++ b/testdata/project-v3/.dockerignore
@@ -1,5 +1,4 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
-# Ignore all files which are not go type
-!**/*.go
-!**/*.mod
-!**/*.sum
+# Ignore build and test binaries.
+bin/
+testbin/