Add the neccesary docker files for operation

dockerfile

@@ -0,0 +1,27 @@
+from node:19 as base
+
+workdir /app
+
+expose 6969
+
+run npm install --global typescript@4
+
+copy package*.json tsconfig.json /app/
+run npm install
+
+healthcheck CMD curl -f http://localhost:6969/health
+
+copy ./src /app/src
+run tsc
+
+
+from base as dev
+run npm install
+cmd [ "/bin/bash" ]
+
+
+from base as prod
+copy ./docs /app/docs
+run npm install --omit=dev
+run rm -rf src tsconfig.json
+cmd [ "NODE_ENV=production", "node", "dist/main.js" ]