[dockerfile] Fixed transient network issues that cause download corruption

Author: Aryamanz29

Dockerfile.wolfi

@@ -1,15 +1,24 @@
 FROM cgr.dev/chainguard/wolfi-base
 
 # Build arguments for configurable versions
-ARG PYTHON_VERSION=3.11
+ARG PYTHON_VERSION=3.13
 ARG PYATLAN_VERSION=latest
 ARG PYATLAN_BRANCH=""
 ARG INSTALL_FROM_GIT=false
 
 WORKDIR /app
 
 # Install Python and git (needed for git-based installations)
-RUN apk add python-${PYTHON_VERSION} git && \
+# Update package index and use --no-cache to avoid download corruption issues
+# Add retry logic to handle transient network issues
+# Clean up package cache in same layer to avoid increasing image size
+RUN for i in 1 2 3; do \
+        apk update && \
+        apk add --no-cache python-${PYTHON_VERSION} git && \
+        break || \
+        (echo "Attempt $i failed, retrying..." && sleep 5); \
+    done && \
+    rm -rf /var/cache/apk/* && \
     chown -R nonroot:nonroot /app/
 
 # Install uv