Merge pull request #2 from sehan-dissanayake/fix-python-custom

Fix python custom

Author: renuka-fernando

gateway/gateway-builder/internal/policyengine/generator.go

@@ -373,9 +373,16 @@ func copyDir(src, dst string) error {
 		dstPath := filepath.Join(dst, relPath)
 
 		if info.IsDir() {
+			if info.Name() == ".venv" || info.Name() == "__pycache__" || info.Name() == ".git" {
+				return filepath.SkipDir
+			}
 			return os.MkdirAll(dstPath, info.Mode())
 		}
 
+		if !info.Mode().IsRegular() {
+			return nil
+		}
+
 		// Copy file
 		data, err := os.ReadFile(path)
 		if err != nil {

gateway/gateway-builder/templates/Dockerfile.gateway-runtime.tmpl

@@ -28,6 +28,13 @@ RUN chmod +x /app/policy-engine
 RUN rm -rf /app/python-executor
 COPY python-executor/ /app/python-executor/
 
+# Install python dependencies for custom policies
+RUN apt-get update && apt-get install -y --no-install-recommends python3-pip && \
+    pip3 install --no-cache-dir --upgrade pip setuptools wheel && \
+    pip3 install --no-cache-dir --target /app/python-libs -r /app/python-executor/requirements.txt && \
+    apt-get purge -y python3-pip && \
+    apt-get autoremove -y && \
+    rm -rf /var/lib/apt/lists/*
 USER wso2
 
 # Metadata labels