diff --git a/core/providers/node/node.go b/core/providers/node/node.go
index b420d3324..1773466ff 100644
--- a/core/providers/node/node.go
+++ b/core/providers/node/node.go
@@ -251,7 +251,7 @@ func (p *NodeProvider) InstallNodeDeps(ctx *generate.GenerateContext, install *g
 
 	if ctx.App.HasMatch("node_modules") {
 		ctx.Logger.LogWarn("node_modules directory found in project root, this is likely a mistake")
-		ctx.Logger.LogWarn("It is recommended to add node_modules to the .gitignore file")
+		ctx.Logger.LogWarn("It is recommended to add node_modules to the .gitignore and/or .dockerignore file")
 	}
 
 	if p.usesCorepack() {
diff --git a/core/providers/node/package_manager.go b/core/providers/node/package_manager.go
index 8059b04e2..c55811eec 100644
--- a/core/providers/node/package_manager.go
+++ b/core/providers/node/package_manager.go
@@ -63,7 +63,9 @@ func (p PackageManager) installDependencies(ctx *generate.GenerateContext, works
 	// If there are any pre/post install scripts, we need the entire app to be copied
 	// This is to handle things like patch-package
 	if hasPreInstall || hasPostInstall || hasPrepare || usesLocalFile {
-		install.AddInput(ctx.NewLocalLayer())
+		layer := ctx.NewLocalLayer()
+		layer.Filter.Exclude = append(layer.Filter.Exclude, "node_modules")
+		install.AddInput(layer)
 
 		// Use all secrets for the install step if there are any pre/post install scripts
 		install.UseSecrets([]string{"*"})
diff --git a/core/providers/python/python.go b/core/providers/python/python.go
index 12b2c1c2e..e44903d26 100644
--- a/core/providers/python/python.go
+++ b/core/providers/python/python.go
@@ -48,6 +48,11 @@ func (p *PythonProvider) Plan(ctx *generate.GenerateContext) error {
 	install.Secrets = []string{}
 	install.UseSecretsWithPrefixes([]string{"PYTHON", "PIP", "PIPX", "UV", "PDM", "POETRY"})
 
+	if ctx.App.HasMatch(".venv") {
+		ctx.Logger.LogWarn(".venv directory found in project root, this is likely a mistake")
+		ctx.Logger.LogWarn("It is recommended to add .venv to the .gitignore and/or .dockerignore file")
+	}
+
 	build := ctx.NewCommandStep("build")
 	installOutputs := []string{}
 
@@ -368,7 +373,9 @@ func (p *PythonProvider) GetPythonEnvVars(ctx *generate.GenerateContext) map[str
 
 func (p *PythonProvider) copyInstallFiles(ctx *generate.GenerateContext, install *generate.CommandStepBuilder) {
 	if p.installNeedsAllFiles(ctx) {
-		install.AddInput(ctx.NewLocalLayer())
+		layer := ctx.NewLocalLayer()
+		layer.Filter.Exclude = append(layer.Filter.Exclude, ".venv")
+		install.AddInput(layer)
 		return
 	}