added start scripts for flask, gunicorn and uwsgi

start_flask.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# start_gunicorn.sh - Start Cellxgene Gateway with Gunicorn
+#
+# PREREQUISITES:
+# - Gunicorn installed (included with cellxgene 1.3.0, or: pip install gunicorn)
+# - Virtual environment activated or .venv present
+# - .env file with CELLXGENE_LOCATION and CELLXGENE_DATA (or CELLXGENE_BUCKET)
+#
+# USAGE:
+# ./start_gunicorn.sh
+
+# Exit on error
+set -e
+
+# Get the directory where this script is located
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+
+# Source environment variables
+echo "Loading environment variables..."
+if [ -f "$SCRIPT_DIR/.env" ]; then
+    source "$SCRIPT_DIR/.env"
+else
+    echo "Error: .env file not found at $SCRIPT_DIR/.env"
+    echo "Please create it with required environment variables"
+    exit 1
+fi
+
+# Verify required environment variables
+if [ -z "$CELLXGENE_LOCATION" ]; then
+    echo "Error: CELLXGENE_LOCATION not set"
+    exit 1
+fi
+
+if [ -z "$CELLXGENE_DATA" ] && [ -z "$CELLXGENE_BUCKET" ]; then
+    echo "Error: Either CELLXGENE_DATA or CELLXGENE_BUCKET must be set"
+    exit 1
+fi
+
+cellxgene-gateway