Fix Dockerfile build issues and update .env.example with correct API keys

.env.example

@@ -1,12 +1,21 @@
-# Required: Google Gemini API Key
-# Get your key from: https://ai.google.dev/
-GEMINI_API_KEY=your_gemini_api_key_here
+# DeepSeek API Key (Required)
+# Get your key from: https://platform.deepseek.com/
+DEEPSEEK_API_KEY=your_deepseek_api_key_here
 
-# Optional: Azure Text Analytics (for enhanced sentiment analysis)
+# Inflection AI API Key (Required)
+# Get your key from: https://inflection.ai/
+INFLECTION_AI_API_KEY=your_inflection_ai_api_key_here
+
+# Azure Text Analytics (Optional - for enhanced sentiment analysis)
 # If not provided, the app will use NLTK VADER as fallback
 # Get your credentials from Azure Portal after creating a "Language service" resource
-AZURE_TEXT_ANALYTICS_KEY=your_azure_key_here
-AZURE_TEXT_ANALYTICS_ENDPOINT=your_azure_endpoint_here
+AZURE_TEXT_ANALYTICS_KEY=your_azure_text_analytics_key_here
+AZURE_TEXT_ANALYTICS_ENDPOINT=https://your-resource.cognitiveservices.azure.com/
+
+# ANU Quantum API Key (Optional - for quantum randomness)
+# If not provided, the app will use pseudo-random numbers
+# Get your key from: https://quantumnumbers.anu.edu.au/
+ANU_QUANTUM_API_KEY=your_quantum_api_key_here
 
-# Optional: Port configuration (defaults to 7860 for Hugging Face Spaces)
+# Port (Optional - defaults to 7860 for Hugging Face Spaces)
 PORT=7860

Dockerfile

@@ -8,19 +8,36 @@ WORKDIR /app
 RUN apt-get update && apt-get install -y \
     build-essential \
     git \
+    curl \
+    ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy requirements first for better caching
 COPY requirements.txt .
 
-# Install Python dependencies
-RUN pip install --no-cache-dir -r requirements.txt
+# Install Python dependencies with retry logic
+RUN pip install --no-cache-dir --upgrade pip setuptools wheel && \
+    pip install --no-cache-dir -r requirements.txt
 
 # Copy the entire application
 COPY . .
 
-# Download NLTK data during build
-RUN python -c "import nltk; nltk.download('punkt'); nltk.download('vader_lexicon')"
+# Download NLTK data during build with error handling
+RUN python -c "import nltk; import os; \
+    nltk_data_dir = '/root/nltk_data'; \
+    os.makedirs(nltk_data_dir, exist_ok=True); \
+    nltk.data.path.append(nltk_data_dir); \
+    try: \
+        nltk.download('punkt', quiet=True); \
+        print('Downloaded punkt'); \
+    except Exception as e: \
+        print(f'Failed to download punkt: {e}'); \
+    try: \
+        nltk.download('vader_lexicon', quiet=True); \
+        print('Downloaded vader_lexicon'); \
+    except Exception as e: \
+        print(f'Failed to download vader_lexicon: {e}'); \
+    print('NLTK download step completed')"
 
 # Expose the port the app runs on
 EXPOSE 7860