feat: Split into API and Streamlit builds

- Add Dockerfile.api for backend API service (port 8081)
- Add Dockerfile.streamlit for Streamlit UI (port 3000)
- Update Jenkinsfile to build two images: visualsearch and visualsearch-stl

Dockerfile.api

@@ -0,0 +1,61 @@
+# Reverse Image Search API
+# Multi-stage build for optimized image size
+
+FROM python:3.11-slim as builder
+
+WORKDIR /app
+
+# Install build dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir --user -r requirements.txt
+
+# Production stage
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install runtime dependencies (libgomp for OpenMP parallelism)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libgomp1 \
+    && rm -rf /var/lib/apt/lists/*
+
+# FAISS uses OpenMP for parallel search - set threads for Xeon
+ENV OMP_NUM_THREADS=8
+
+# Copy installed packages from builder
+COPY --from=builder /root/.local /root/.local
+ENV PATH=/root/.local/bin:$PATH
+
+# Copy application code
+COPY api/ ./api/
+COPY config.py .
+COPY reverse_icon_search.py .
+COPY run_api_server.py .
+
+# Copy pre-built index and filenames for inference
+COPY index.faiss .
+COPY filenames.pkl .
+
+# Create necessary directories
+RUN mkdir -p uploads logs
+
+# Environment variables
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV API_PORT=8081
+ENV DEBUG=false
+
+# Expose port
+EXPOSE 8081
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
+    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8081/api/health')" || exit 1
+
+# Run the application
+CMD ["python", "run_api_server.py"]

Dockerfile.streamlit

@@ -0,0 +1,60 @@
+# Reverse Image Search Streamlit UI
+# Multi-stage build for optimized image size
+
+FROM python:3.11-slim as builder
+
+WORKDIR /app
+
+# Install build dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir --user -r requirements.txt
+
+# Production stage
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install runtime dependencies (libgomp for OpenMP parallelism)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libgomp1 \
+    && rm -rf /var/lib/apt/lists/*
+
+# FAISS uses OpenMP for parallel search - set threads for Xeon
+ENV OMP_NUM_THREADS=8
+
+# Copy installed packages from builder
+COPY --from=builder /root/.local /root/.local
+ENV PATH=/root/.local/bin:$PATH
+
+# Copy application code
+COPY config.py .
+COPY reverse_icon_search.py .
+COPY main_streamlit.py .
+
+# Copy pre-built index and filenames for inference
+COPY index.faiss .
+COPY filenames.pkl .
+
+# Create necessary directories
+RUN mkdir -p uploads logs
+
+# Environment variables
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV STREAMLIT_SERVER_PORT=3000
+ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0
+
+# Expose port
+EXPOSE 3000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=120s --retries=3 \
+    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:3000/_stcore/health')" || exit 1
+
+# Run Streamlit
+CMD ["streamlit", "run", "main_streamlit.py", "--server.port=3000", "--server.address=0.0.0.0"]

Jenkinsfile

@@ -4,6 +4,7 @@ kanikoPipeline(
   repoName: 'visual-search-engine',
   branch: env.BRANCH_NAME ?: 'main',
   builds: [
-    [imageName: 'visual-search-engine', dockerfile: 'Dockerfile']
+    [imageName: 'visualsearch', dockerfile: 'Dockerfile.api'],
+    [imageName: 'visualsearch-stl', dockerfile: 'Dockerfile.streamlit']
   ]
 )