feat: install boto3 for system Python in EC2 user-data script

Author: fok666

infrastructure/lambdas/process_build/index.py

@@ -230,10 +230,14 @@ def _generate_user_data(build_id, arch, python_version, requirements, single_fil
 
 # --- Install Docker and CloudWatch Agent ---
 echo "$(date): Installing Docker and CloudWatch Agent..."
-dnf install -y docker git aws-cli amazon-cloudwatch-agent 2>/dev/null || yum install -y docker git aws-cli
+dnf install -y docker git aws-cli amazon-cloudwatch-agent python3-pip 2>/dev/null || yum install -y docker git aws-cli python3-pip
 systemctl start docker
 systemctl enable docker
 
+# --- Install boto3 for system Python (AL2023 aws-cli v2 uses its own isolated Python) ---
+echo "$(date): Installing boto3 for system Python..."
+pip3 install boto3 --quiet
+
 # --- Configure CloudWatch Logs streaming ---
 echo "$(date): Configuring CloudWatch Logs streaming..."
 mkdir -p /opt/aws/amazon-cloudwatch-agent/etc