LetsEncrypt Dockerized service for automatically maintaining certificates using nginx

docker-compose.yml

version: '2'  
services:  
  nginx-proxy:
    image: jwilder/nginx-proxy
    container_name: nginx-proxy
    logging:
      driver: splunk
      options:
        splunk-url: https://10.0.1.29:8088
        splunk-token: 43D65CB7-4AE8-4ABD-B402-C345781009D4
        splunk-insecureskipverify: 'true'
        splunk-format: json
        splunk-verify-connection: 'false'
        splunk-source: letsencrypt-nginx-proxy
    ports:
      - '80:80'
      - '443:443'
    volumes:
      - /var/run/docker.sock:/tmp/docker.sock:ro
      - /etc/nginx/vhost.d # to update vhost configuration
      - /usr/share/nginx/html # to write challenge files
      - ./certs:/etc/nginx/certs:ro # update this to change cert location
  web:
    image: 'nginx'
    container_name: nginx-web
    logging:
      driver: splunk
      options:
        splunk-url: https://10.0.1.29:8088
        splunk-token: 43D65CB7-4AE8-4ABD-B402-C345781009D4
        splunk-insecureskipverify: 'true'
        splunk-format: json
        splunk-verify-connection: 'false'
        splunk-source: letsencrypt-nginx-web
        #tag: {{.Name}}/{{.FullID}}
    expose: 
      - '80'
    environment:
      - VIRTUAL_HOST=rylander.io,humle.rylander.io,dumle.rylander.io,synods01.rylander.io,synods02.rylander.io,fw.rylander.io,humle-ilo.rylander.io,dumle-ilo.rylander.io,proget.rylander.io,unifi.rylander.io,couchpotato.rylander.io,jira.rylander.io,confluence.rylander.io,gitlab.rylander.io,artifactory.rylander.io,splunk.rylander.io
      - VIRTUAL_PORT=80
      - LETSENCRYPT_TEST=false
      - LETSENCRYPT_HOST=rylander.io,humle.rylander.io,dumle.rylander.io,synods01.rylander.io,synods02.rylander.io,fw.rylander.io,humle-ilo.rylander.io,dumle-ilo.rylander.io,proget.rylander.io,unifi.rylander.io,couchpotato.rylander.io,jira.rylander.io,confluence.rylander.io,gitlab.rylander.io,artifactory.rylander.io,splunk.rylander.io
      - LETSENCRYPT_EMAIL=mattias.rylander@gmail.com
  ssl-companion:
    image: jrcs/letsencrypt-nginx-proxy-companion
    container_name: ssl-companion
    logging:
      driver: splunk
      options:
        splunk-url: https://10.0.1.29:8088
        splunk-token: 43D65CB7-4AE8-4ABD-B402-C345781009D4
        splunk-insecureskipverify: 'true'
        splunk-format: json
        splunk-verify-connection: 'false'
        splunk-source: letsencrypt-ssl-companion
    dns:
      - '8.8.8.8'
      - '8.8.4.4'
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro #companion maps differently
      - ./certs:/etc/nginx/certs:rw # same path as above, now RW
    volumes_from:
      - nginx-proxy
    depends_on:
      - nginx-proxy

Requires docker >= 1.13 due to Splunk logging