add docker build files

Dockerfile

@@ -0,0 +1,11 @@
+FROM node:alpine as Build
+ENV NODE_ENV=production
+WORKDIR /app
+
+COPY [ "package-lock.json", "package.json", "index.ts", "tsconfig.json", "./" ]
+COPY server ./server
+
+RUN npm ci --omit=dev
+
+RUN npm run build
+CMD ["npm","run","start"]

dockerbuild.sh

@@ -0,0 +1 @@
+docker build --tag node-jellyfin-role-bot:latest .