add motd context (#54)

* add motd context

* store motd in infra

.docker/production/Dockerfile.gha

@@ -62,6 +62,8 @@ RUN mkdir $HOME \
 # Configure app home directory
 WORKDIR $HOME
 
+RUN mkdir /etc/infra
+
 ENV RAILS_ENV=production
 ENV NODE_ENV=production
 
@@ -109,4 +111,6 @@ COPY --chown=$USERNAME:$USERNAME . $HOME
 COPY --chown=$USERNAME:$USERNAME ./.docker/config/credentials.yml.enc $HOME/config
 COPY --chown=$USERNAME:$USERNAME ./.docker/config/master.key $HOME/config
 
-USER $USERNAME
+RUN echo '[ ! -z "$TERM" -a -r /etc/infra/motd ] && cat /etc/infra/motd' >> /etc/bash.bashrc
+
+USER $USERNAME