creating docker

Dockerfile

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+FROM alpine:latest
+ARG NOTION_INTEGRATION_ID
+ARG NOTION_INTEGRATION_SECRET
+ARG PORT
+ARG NODE_ENV
+
+RUN apk add --update nodejs npm
+RUN npm install --global yarn
+
+COPY [".", "/usr/src"]
+WORKDIR "/usr/src"
+
+RUN yarn
+
+EXPOSE ${PORT}
+
+CMD if [ ${NODE_ENV} = "development" ] ; then yarn run dev ; else yarn run start PORT=${PORT}; fi