fix environments based on https://dls-fragalysis-stack-kubernetes.rea…

…dthedocs.io/en/latest/dummies-dev-setup.html, allow to switch between branches in terminal of given pod

Dockerfile

@@ -8,14 +8,6 @@ RUN useradd -c 'Container user' --user-group --uid ${APP_USER_ID} --home-dir ${A
 RUN apt-get update -y
 RUN apt-get install -y wget gnupg bzip2
 
-# Add in the frontend code
-# By default this is hosted on the xchem project's master branch
-# but it can be redirected with a couple of build-args.
-ARG FE_GIT_PROJECT=xchem
-ARG FE_GIT_PROJECT_BRANCH=master
-RUN git clone --single-branch --branch ${FE_GIT_PROJECT_BRANCH} \
-        https://github.com/${FE_GIT_PROJECT}/fragalysis-frontend ${APP_ROOT}/frontend
-
 # Install yarn (instead of npm)
 RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
 RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
@@ -24,6 +16,14 @@ RUN apt-get update -y && apt-get install -y yarn
 # Install nodejs
 RUN apt-get install -y nodejs
 
+# Add in the frontend code
+# By default this is hosted on the xchem project's master branch
+# but it can be redirected with a couple of build-args.
+ARG FE_NAMESPACE=xchem
+ARG FE_BRANCH=master
+RUN git clone https://github.com/${FE_NAMESPACE}/fragalysis-frontend ${APP_ROOT}/frontend
+RUN cd ${APP_ROOT}/frontend && git checkout ${FE_BRANCH}
+
 # Now build the code
 RUN cd ${APP_ROOT}/frontend && yarn install
 RUN cd ${APP_ROOT}/frontend && yarn run build