Update Dockerfile

Dockerfile

@@ -2,38 +2,37 @@ FROM python:3.10-slim
 
 WORKDIR /app
 
-# 1. Install system dependencies with cleanup
+# 1. Install essential system dependencies
 RUN apt-get update && apt-get install -y \
     gcc \
     python3-dev \
-    git \
     libgomp1 \
     libopenblas-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# 2. First install PyTorch with CPU-only version
+# 2. First install only absolutely critical packages
 RUN pip install --upgrade pip && \
-    pip install torch==2.3.1 --index-url https://download.pytorch.org/whl/cpu
+    pip install --no-cache-dir \
+    spacy==3.7.4 \
+    nltk==3.8.1 \
+    python-dotenv==1.0.0
 
-# 3. Install Hugging Face transformers from source (more reliable)
-RUN pip install git+https://github.com/huggingface/transformers@v4.42.4
+# 3. Download NLP models (done before other installs to prevent conflicts)
+RUN python -m spacy download en_core_web_sm && \
+    python -m nltk.downloader punkt wordnet
 
-# 4. Install other heavy dependencies
-RUN pip install \
-    sentence-transformers==3.0.1 \
-    faiss-cpu==1.7.4 \
-    --no-cache-dir
+# 4. Install PyTorch CPU version explicitly
+RUN pip install --no-cache-dir \
+    torch==2.3.1 --index-url https://download.pytorch.org/whl/cpu
 
-# 5. Copy and install remaining requirements
+# 5. Install remaining requirements in one go to minimize layers
 COPY requirements.txt .
-RUN pip install -r requirements.txt --no-cache-dir && \
-    python -m spacy download en_core_web_sm && \
-    python -m nltk.downloader punkt wordnet
+RUN pip install --no-cache-dir -r requirements.txt
 
 # 6. Copy application files
 COPY . .
 
-# Environment configuration
+# 7. Environment configuration
 ENV STREAMLIT_SERVER_PORT=7860
 EXPOSE 7860