Remove b7s and add support for offchain-node

Dockerfile

@@ -1,17 +0,0 @@
-# Use an official Python runtime as the base image
-FROM amd64/python:3.9-buster as project_env
-
-# Set the working directory in the container
-WORKDIR /app
-
-# Install dependencies
-COPY requirements.txt requirements.txt
-RUN pip install --upgrade pip setuptools \
-    && pip install -r requirements.txt
-
-FROM project_env
-
-COPY . /app/
-
-# Set the entrypoint command
-CMD ["gunicorn", "--conf", "/app/gunicorn_conf.py", "main:app"]