added docker stuff and updated next.js to ^7.0.0

Dockerfile

@@ -0,0 +1,27 @@
+FROM node:8-alpine
+
+RUN apk add yarn git bash
+RUN mkdir -p /opt/mykb
+
+# install node_modules to tmp so it can be cached
+RUN mkdir -p /tmp/mykb
+COPY package.json /tmp/mykb
+RUN cd /tmp/mykb && yarn
+RUN mv /tmp/mykb/node_modules /opt/mykb/
+
+COPY . /opt/mykb
+RUN cd /opt/mykb && yarn build
+
+COPY docker_startup.sh /mykb
+RUN chmod +x /mykb
+
+VOLUME /kb
+VOLUME /db
+VOLUME /config
+
+EXPOSE 3030
+
+ARG GIT_NAME=mykb
+ARG GIT_EMAIL=mykb@localhost
+
+CMD [ "/mykb" ]