Dashboard Dockerfile의 arg, env 수정

Dockerfile.dashboard

@@ -9,16 +9,8 @@ RUN apt-get update \
 COPY requirements-dashboard.txt requirements-dashboard.txt
 RUN pip install --no-cache-dir --upgrade pip && pip install -r requirements-dashboard.txt
 
-ARG SSH_PRIVATE_KEY
-ARG GITHUB_TOKEN
 ENV PYTHONUNBUFFERED=1
 ENV PYTHONIOENCODING=UTF-8
-ENV GITHUB_TOKEN=${GITHUB_TOKEN}
-
-RUN mkdir /root/.ssh \
-    && echo "$SSH_PRIVATE_KEY" >> /root/.ssh/id_rsa \
-    && chmod 600 /root/.ssh/id_rsa \
-    && ssh-keyscan github.com >> /root/.ssh/known_hosts
 
 COPY . .