Added Dockerfile.

.dockerignore

@@ -0,0 +1,8 @@
+# Ignore everything by default
+*
+
+# Allow the public project files.
+!src
+!Dockerfile
+!package*.json
+!README.md

Dockerfile

@@ -0,0 +1,12 @@
+FROM node:16.6.1-alpine
+
+WORKDIR /opt/app
+COPY package*.json ./
+
+RUN npm ci --only=prod
+COPY . .
+
+ENV NODE_ENV=production
+ENV FILES_DIR=NULL
+
+CMD ["npm", "start"]