diff --git a/examples/compose/.env b/examples/compose/.env
new file mode 100644
index 0000000..c961723
--- /dev/null
+++ b/examples/compose/.env
@@ -0,0 +1,14 @@
+DOMAINNAME=example.com
+HOSTNAME=librenms
+
+MYSQL_DATABASE=librenms
+MYSQL_USER=librenms
+MYSQL_PASSWORD=asupersecretpassword
+
+SMTP_SERVER=smtp.example.com
+SMTP_USERNAME=smtp@example.com
+SMTP_PASSWORD=
+
+TZ=Europe/Paris
+PUID=1000
+PGID=1000
diff --git a/examples/compose/docker-compose.yml b/examples/compose/docker-compose.yml
index 1dbddc8..e12868a 100644
--- a/examples/compose/docker-compose.yml
+++ b/examples/compose/docker-compose.yml
@@ -10,7 +10,7 @@ services:
       - "--entryPoints=Name:https Address::443 TLS"
       - "--docker"
       - "--docker.exposedbydefault=false"
-      - "--docker.domain=example.com"
+      - "--docker.domain=${DOMAINNAME}"
       - "--acme=true"
       - "--acme.acmelogging=true"
       - "--acme.email=webmaster@example.com"
@@ -43,17 +43,17 @@ services:
     volumes:
       - "./db:/var/lib/mysql"
     environment:
-      - "TZ=Europe/Paris"
+      - "TZ=${TZ}"
       - "MYSQL_ALLOW_EMPTY_PASSWORD=yes"
-      - "MYSQL_DATABASE=librenms"
-      - "MYSQL_USER=librenms"
-      - "MYSQL_PASSWORD=asupersecretpassword"
+      - "MYSQL_DATABASE=${MYSQL_DATABASE}"
+      - "MYSQL_USER=${MYSQL_USER}"
+      - "MYSQL_PASSWORD=${MYSQL_PASSWORD}"
     restart: always
 
   memcached:
     image: memcached:alpine
     environment:
-      - "TZ=Europe/Paris"
+      - "TZ=${TZ}"
     restart: always
 
   rrdcached:
@@ -62,9 +62,9 @@ services:
       - "./librenms/rrd:/data/db"
       - "./rrd-journal:/data/journal"
     environment:
-      - "TZ=Europe/Paris"
-      - "PUID=1000"
-      - "PGID=1000"
+      - "TZ=${TZ}"
+      - "PUID=${PUID}"
+      - "PGID=${PUID}"
       - "LOG_LEVEL=LOG_INFO"
       - "WRITE_TIMEOUT=1800"
       - "WRITE_JITTER=1800"
@@ -77,16 +77,16 @@ services:
     volumes:
       - "/etc/localtime:/etc/localtime:ro"
     environment:
-      - "SERVER_HOSTNAME=librenms.example.com"
-      - "SMTP_SERVER=smtp.example.com"
-      - "SMTP_USERNAME=smtp@example.com"
-      - "SMTP_PASSWORD="
+      - "SERVER_HOSTNAME=${HOSTNAME}.${DOMAINNAME}"
+      - "SMTP_SERVER=${SMTP_SERVER}"
+      - "SMTP_USERNAME=${SMTP_USERNAME}"
+      - "SMTP_PASSWORD=${SMTP_PASSWORD}"
     restart: always
 
   app:
     image: crazymax/librenms:latest
-    domainname: example.com
-    hostname: librenms
+    domainname: ${DOMAINNAME}
+    hostname: ${HOSTNAME}
     depends_on:
       - db
       - memcached
@@ -98,25 +98,47 @@ services:
       - "traefik.enable=true"
       - "traefik.backend=librenms"
       - "traefik.port=80"
-      - "traefik.frontend.rule=Host:librenms.example.com"
+      - "traefik.frontend.rule=Host:${HOSTNAME}.${DOMAINNAME}"
+    environment:
+      - "TZ=${TZ}"
+      - "PUID=${PUID}"
+      - "PGID=${PGID}"
+      - "DB_HOST=db"
+      - "DB_NAME=${MYSQL_DATABASE}"
+      - "DB_USER=${MYSQL_USER}"
+      - "DB_PASSWORD=${MYSQL_PASSWORD}"
+      - "DB_TIMEOUT=30"
     env_file:
       - "./librenms.env"
     restart: always
 
   cron:
     image: crazymax/librenms:latest
+    domainname: ${DOMAINNAME}
+    hostname: ${HOSTNAME}
     command:
       - "/usr/local/bin/cron"
     depends_on:
       - app
     volumes:
       - "./librenms:/data"
+    environment:
+      - "TZ=${TZ}"
+      - "PUID=${PUID}"
+      - "PGID=${PGID}"
+      - "DB_HOST=db"
+      - "DB_NAME=${MYSQL_DATABASE}"
+      - "DB_USER=${MYSQL_USER}"
+      - "DB_PASSWORD=${MYSQL_PASSWORD}"
+      - "DB_TIMEOUT=30"
     env_file:
       - "./librenms.env"
     restart: always
 
   syslog-ng:
     image: crazymax/librenms:latest
+    domainname: ${DOMAINNAME}
+    hostname: ${HOSTNAME}
     command:
       - "/usr/sbin/syslog-ng"
       - "-F"
@@ -131,6 +153,15 @@ services:
         protocol: udp
     volumes:
       - "./librenms:/data"
+    environment:
+      - "TZ=${TZ}"
+      - "PUID=${PUID}"
+      - "PGID=${PGID}"
+      - "DB_HOST=db"
+      - "DB_NAME=${MYSQL_DATABASE}"
+      - "DB_USER=${MYSQL_USER}"
+      - "DB_PASSWORD=${MYSQL_PASSWORD}"
+      - "DB_TIMEOUT=30"
     env_file:
       - "./librenms.env"
     restart: always
diff --git a/examples/compose/librenms.env b/examples/compose/librenms.env
index eda0f4f..7f06b5f 100644
--- a/examples/compose/librenms.env
+++ b/examples/compose/librenms.env
@@ -1,6 +1,3 @@
-TZ=Europe/Paris
-PUID=1000
-PGID=1000
 MEMORY_LIMIT=256M
 UPLOAD_MAX_SIZE=16M
 OPCACHE_MEM_SIZE=128
@@ -16,12 +13,6 @@ LIBRENMS_CRON_BILLING_CALCULATE_ENABLE=true
 LIBRENMS_CRON_CHECK_SERVICES_ENABLE=true
 LIBRENMS_CRON_POLLER_ENABLE=true
 
-DB_HOST=db
-DB_NAME=librenms
-DB_USER=librenms
-DB_PASSWORD=asupersecretpassword
-DB_TIMEOUT=30
-
 LIBRENMS_SNMP_COMMUNITY=librenmsdocker
 MEMCACHED_HOST=memcached
 MEMCACHED_PORT=11211