refactor: Simplify Dockerfile requirements and enhance health check script with API key validation and connectivity checks

docker/scripts/healthcheck.py

@@ -7,15 +7,16 @@ import os
 import subprocess
 import sys
 
+import openai
+
 
 def check_process():
     """Check if the main server process is running"""
-    try:
-        result = subprocess.run(["pgrep", "-f", "server.py"], capture_output=True, text=True)
-        return result.returncode == 0
-    except Exception as e:
-        print(f"Process check failed: {e}", file=sys.stderr)
-        return False
+    result = subprocess.run(["pgrep", "-f", "server.py"], capture_output=True, text=True, timeout=10)
+    if result.returncode == 0:
+        return True
+    print(f"Process check failed: {result.stderr}", file=sys.stderr)
+    return False
 
 
 def check_python_imports():
@@ -69,6 +70,41 @@ def check_environment():
         print("No API keys found in environment", file=sys.stderr)
         return False
 
+    # Validate API key formats (basic checks)
+    for key in api_keys:
+        value = os.getenv(key)
+        if value:
+            if len(value.strip()) < 10:
+                print(f"API key {key} appears too short or invalid", file=sys.stderr)
+                return False
+
+    # Optionally, try a minimal connectivity check for OpenAI and Google Gemini
+    # (only if their API keys are present)
+    try:
+        if os.getenv("OPENAI_API_KEY"):
+            openai.api_key = os.getenv("OPENAI_API_KEY")
+            try:
+                openai.Model.list()
+            except Exception as e:
+                print(f"OpenAI connectivity check failed: {e}", file=sys.stderr)
+                return False
+    except ImportError:
+        pass  # Already checked in check_python_imports
+
+    try:
+        if os.getenv("GEMINI_API_KEY") or os.getenv("GOOGLE_API_KEY"):
+            import google.genai as genai
+
+            key = os.getenv("GEMINI_API_KEY") or os.getenv("GOOGLE_API_KEY")
+            genai.configure(api_key=key)
+            try:
+                genai.list_models()
+            except Exception as e:
+                print(f"Google Gemini connectivity check failed: {e}", file=sys.stderr)
+                return False
+    except ImportError:
+        pass  # Already checked in check_python_imports
+
     return True