added backend environment in docker

Dockerfile.python-env

@@ -0,0 +1,35 @@
+FROM ubuntu:22.04
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && \
+    apt-get install -y \
+    python3-dev \
+    python3-pip \
+    python3-wheel \
+    build-essential \
+    alsa-utils \
+    portaudio19-dev \
+    libgtk-3-dev \
+    libnotify-dev \
+    libgconf-2-4 \
+    libnss3 \
+    libxss1 && \
+    rm -rf /var/lib/apt/lists/*
+
+# Upgrade pip and install Python packages
+RUN pip3 install --upgrade pip setuptools wheel && \
+    pip3 install selenium
+
+# Copy requirements.txt first to leverage Docker cache
+COPY requirements.txt .
+RUN pip3 install -r requirements.txt --no-cache-dir
+
+# Copy the rest of the application
+COPY . .
+
+# Set environment variables for Chrome paths with defaults
+ENV CHROME_EXECUTABLE_PATH=/app/chrome_bundle/chrome136/chrome-linux64/chrome
+ENV CHROMEDRIVER_PATH=/app/chrome_bundle/chrome136/chromedriver 

docker-compose.yml

@@ -65,7 +65,23 @@ services:
       - REACT_APP_BACKEND_URL=http://0.0.0.0:${BACKEND_PORT:-8000}
     networks:
       - agentic-seek-net
-  
+
+  python-env:
+    container_name: python-env
+    build:
+      context: .
+      dockerfile: Dockerfile.python-env
+    ports:
+      - ${BACKEND_PORT:-8000}:${BACKEND_PORT:-8000}
+    volumes:
+      - ./:/app
+      - ${WORK_DIR}:${WORK_DIR}
+    command: python3 api.py
+    environment:
+      - SEARXNG_URL=http://localhost:8080
+      - WORK_DIR=${WORK_DIR}
+    network_mode: "host"
+
   # NOTE: backend service is not working yet due to issue with chromedriver on docker.
   # Therefore backend is run on host machine.
   # Open to pull requests to fix this.