Added Dockerfile and docker-compose files

.dockerignore

@@ -0,0 +1,15 @@
+# git folder
+.git
+
+# NPM
+node_modules
+npm-debug.log
+
+# Testing
+.nyc_output
+
+# Mac
+.DS_Store
+
+# cache
+.cache

Dockerfile

@@ -0,0 +1,12 @@
+FROM node:14.9.0-alpine3.10
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+
+EXPOSE 3000
+CMD [ "node", "server.js" ]

README.md

@@ -34,6 +34,12 @@ Open the following url in the browser
 http://localhost:3000
 ```
 
+### Docker compose
+
+[https://hub.docker.com/r/jwilder/nginx-proxy](NGINX proxy) container with [https://github.com/nginx-proxy/docker-letsencrypt-nginx-proxy-companion](its companion) to proxy the access to the app and generate a SSL certificate with [https://letsencrypt.org/](Let's Encrypt).
+
+**Note:** its recommended to launch without the companion in local environments.
+
 ### LICENSE
 
 MIT

docker-compose.yml

@@ -0,0 +1,48 @@
+version: '3.7'
+
+services:
+  ## Container that proxies all trafic to the containers configured
+  ## with VIRTUAL_HOST
+  nginx-proxy:
+    image: jwilder/nginx-proxy
+    container_name: nginx-proxy
+    ports:
+      - 80:80
+      - 443:443
+    volumes:
+      - conf:/etc/nginx/conf.d
+      - vhost:/etc/nginx/vhost.d
+      - html:/usr/share/nginx/html
+      - dhparam:/etc/nginx/dhparam
+      - certs:/etc/nginx/certs:ro
+      - /var/run/docker.sock:/tmp/docker.sock:ro
+  ## Container that generates SSL certificates with Let's Encrypt
+  ## for all containers with the LETSENCRYPT_HOST LETSENCRYPT_EMAIL
+  ## enviroment settings
+  letsencrypt:
+    image: jrcs/letsencrypt-nginx-proxy-companion
+    container_name: nginx-proxy-le
+    volumes:
+      - conf:/etc/nginx/conf.d
+      - vhost:/etc/nginx/vhost.d
+      - html:/usr/share/nginx/html
+      - dhparam:/etc/nginx/dhparam
+      - certs:/etc/nginx/certs:rw
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+  ## App container exposing the port 3000 for the proxy
+  talk:
+    image: talk:latest
+    build: 
+      context: .
+    expose:
+      - 3000
+    environment:
+      - VIRTUAL_HOST=talk.vasanthv.com
+      - LETSENCRYPT_HOST=talk.vasanthv.com
+      - [email protected]
+volumes:
+  conf:
+  vhost:
+  html:
+  dhparam:
+  certs: