feat: lock npm version to 6.10.3

Author: a60814billy

buildpack/Dockerfile

@@ -11,11 +11,13 @@ RUN set -x && \
         apt-get update && \
         apt-get install -y --no-install-recommends postgresql-client-9.6 && \
         rm -rf /var/lib/apt/lists/* && \
+        # upgrade npm to 6.10
+        npm i -g [email protected] && \
         # install node-prune
         npm i -g node-prune && npm cache clean --force && \
         # setup github ssh key
         mkdir -p /root/.ssh && \
-        ssh-keyscan -H github.com >> ~/.ssh/known_hosts && \
+        ssh-keyscan -H github.com >> /root/.ssh/known_hosts && \
         # setup git credential helper
         mkdir -p /root/git && \
         git config --global credential.helper 'store --file /root/git/credentials'

runtime/Dockerfile

@@ -40,7 +40,7 @@ RUN fc-cache -f -v && \
         dpkg-reconfigure fontconfig
 
 USER hackmd
-RUN npm install -g sequelize-cli
+RUN npm install -g sequelize-cli [email protected]
 
 WORKDIR /home/$USER_NAME/app