change docker base image

Dockerfile

@@ -1,22 +1,15 @@
-FROM python:3.8.5-buster
-
+FROM python:3.8.5-slim
 # FROM ubuntu
 # RUN apt-get update -y
 # RUN apt-get install -y python3-pip python-dev build-essential
 
-ENV MAX_PROJECTS=100
-ENV SAS_PER_PROJECT=100
-ENV EMAIL_PREFIX=svcacc
-ENV PROJECT_PREFIX=UniqPrefix
-ENV JSON_PREFIX=svcacc
-
 ENV PIP_DISABLE_PIP_VERSION_CHECK=on
 RUN pip3 install poetry
-WORKDIR /opt
-COPY poetry.lock pyproject.toml /opt/
+WORKDIR /root
+COPY poetry.lock pyproject.toml /root/
 
 RUN poetry config virtualenvs.create false
 RUN poetry install --no-interaction
-COPY . /opt
+COPY . /root
 
 # CMD ["bash"]