FROM ubuntu:18.04
-RUN apt-get update && apt-get install -y build-essential nodejs npm
+RUN apt-get update && apt-get install -y git build-essential nodejs npm
+RUN npm install -g npm@latest
+RUN npm install --save @openapi-contrib/json-schema-to-openapi-schema
RUN npm install -g swagger-cli
RUN npm install -g speccy