init task executor service

services/backend/task_executor/Dockerfile

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+FROM python:3.10.7-slim
+
+# Set the working directory in the container to /app
+WORKDIR /app
+
+# First, add only the requirements file (to leverage Docker cache)
+ADD requirements.txt /app/
+
+# Install any needed packages specified in requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+RUN spacy download en_core_web_sm
+RUN playwright install
+RUN playwright install-deps
+
+
+# Add the current directory contents into the container at /app
+# This is done after installing dependencies to leverage Docker's cache
+ADD . /app
+
+# Set environment variables
+ENV OBJC_DISABLE_INITIALIZE_FORK_SAFETY=YES
+
+# Run app.py when the container launches
+CMD ["celery", "-A", "app.tasks", "worker", "--loglevel=info"]