Started to add docker

dockerfile

@@ -0,0 +1,18 @@
+FROM node:15.8.0
+
+ENV PORT=
+ENV NODE_ENV=
+ENV GHOST_KEY=
+ENV HCAPTCHA_KEY=
+ENV SENDGRID_API_KEY=
+ENV TO_MAIL_USER=
+ENV REPLY_TO_MAIL=
+ENV FROM_MAIL_USER=
+
+WORKDIR /app
+COPY ["package.json", "package-lock.json*", "./"]
+RUN npm install
+COPY . .
+
+CMD [ "npm", "start" ]
+EXPOSE 7000/tcp