Add .gitignore for environment variables and enhance app.py for better validation and error handling

.gitignore

@@ -0,0 +1 @@
+*.env

app.py

@@ -4,16 +4,34 @@ import json
 import os
 from dotenv import load_dotenv
 
-# Load environment variables from .env file
+# Load environment variables from .env file (for local development)
 load_dotenv()
-organisationNumber = os.getenv("organisationNumber")
-token = os.getenv("token")
-postApiUrl = os.getenv("postApiUrl")
 
+# Get environment variables and strip whitespace
+organisationNumber = os.getenv("organisationNumber", "").strip()
+token = os.getenv("token", "").strip()
+postApiUrl = os.getenv("postApiUrl", "").strip()
+
+# Validate environment variables on startup
+missing_vars = []
+if not organisationNumber:
+    missing_vars.append("organisationNumber")
+if not token:
+    missing_vars.append("token")
+if not postApiUrl:
+    missing_vars.append("postApiUrl")
+
+if missing_vars:
+    print(f"⚠️ WARNING: Missing environment variables: {', '.join(missing_vars)}")
+    print("Please check your Hugging Face Spaces Secrets configuration")
 
 def post_to_linkedin(name, job_post):
     """Post to LinkedIn via their API"""
     
+    # Check for missing environment variables
+    if not organisationNumber or not token or not postApiUrl:
+        return f"❌ Configuration Error: Missing environment variables. Please check Spaces Secrets.", gr.update(visible=False)
+    
     if not name.strip() or not job_post.strip():
         return "❌ Please fill in both fields", gr.update(visible=False)
     
@@ -38,17 +56,27 @@ def post_to_linkedin(name, job_post):
     }
     
     try:
+        print(f"Posting to: {postApiUrl}")  # Debug log
         response = requests.post(
-            f'{postApiUrl}',
+            postApiUrl,
             headers=headers_dict,
-            json=data
+            json=data,
+            timeout=30  # Add timeout
         )
         
+        print(f"Response status: {response.status_code}")  # Debug log
+        
         if response.status_code == 201:
             return "✅ Post published successfully to LinkedIn!", gr.update(visible=True)
         else:
-            return f"❌ Error {response.status_code}: {response.text}", gr.update(visible=False)
+            error_msg = f"❌ Error {response.status_code}: {response.text}"
+            print(error_msg)  # Debug log
+            return error_msg, gr.update(visible=False)
             
+    except requests.exceptions.Timeout:
+        return "❌ Error: Request timed out. Please try again.", gr.update(visible=False)
+    except requests.exceptions.RequestException as e:
+        return f"❌ Network Error: {str(e)}", gr.update(visible=False)
     except Exception as e:
         return f"❌ Error: {str(e)}", gr.update(visible=False)
 
@@ -57,6 +85,10 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
     gr.Markdown("# 🔗 FeedHire LinkedIn Job Poster")
     gr.Markdown("Post job listings directly to your LinkedIn organization page")
     
+    # Show configuration status
+    if missing_vars:
+        gr.Markdown(f"### ⚠️ Configuration Error\nMissing Secrets: {', '.join(missing_vars)}")
+    
     with gr.Row():
         with gr.Column():
             name_input = gr.Textbox(