Added docker

.dockerignore

@@ -0,0 +1,3 @@
+build/
+node_modules/
+.idea/

dockerfile

@@ -0,0 +1,8 @@
+FROM node:18
+
+RUN mkdir /opt/app
+ADD ./ /opt/app
+WORKDIR /opt/app
+
+CMD yarn && yarn start
+EXPOSE 3000