diff --git a/Dockerfile b/Dockerfile
index 1af2cbfc..9ce3e348 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -90,7 +90,7 @@ RUN wget ${archive_url} && \
 COPY conf/php-fpm-pool.conf /etc/php7/php-fpm.d/www.conf
 COPY conf/supervisord.conf /etc/supervisor/supervisord.conf
 COPY conf/nginx.conf /etc/nginx/nginx.conf
-COPY conf/nginx-site.conf /etc/nginx/conf.d/default.conf
+COPY conf/nginx-site.conf.template /etc/nginx/conf.d/default.conf.template
 COPY conf/.env.docker /var/www/html/.env
 COPY entrypoint.sh /sbin/entrypoint.sh
 
diff --git a/conf/.env.docker b/conf/.env.docker
index c3d7a751..32171d23 100644
--- a/conf/.env.docker
+++ b/conf/.env.docker
@@ -12,6 +12,8 @@ DB_PASSWORD="{{DB_PASSWORD}}"
 DB_PORT="{{DB_PORT}}"
 DB_PREFIX="{{DB_PREFIX}}"
 
+PORT="{{PORT}}"
+
 DOCKER=true
 
 CACHE_DRIVER="{{CACHE_DRIVER}}"
diff --git a/conf/nginx-site.conf b/conf/nginx-site.conf.template
similarity index 88%
rename from conf/nginx-site.conf
rename to conf/nginx-site.conf.template
index 08971839..ca070b77 100644
--- a/conf/nginx-site.conf
+++ b/conf/nginx-site.conf.template
@@ -1,6 +1,6 @@
 server {
-    listen 8000 default; ## Listen for ipv4; this line is default and implied
-    listen [::]:8000 default; ## Listen for ipv6
+    listen $PORT default; ## Listen for ipv4; this line is default and implied
+    listen [::]:$PORT default; ## Listen for ipv6
 
     # Make site accessible from http://localhost/
     server_name localhost;
diff --git a/docker-compose.yml b/docker-compose.yml
index 97776a9d..58c12495 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -31,6 +31,7 @@ services:
       - APP_ENV=${APP_ENV:-production}
       - APP_DEBUG=false
       - DEBUG=false
+      - PORT=8000
     depends_on:
       - postgres
     restart: on-failure
diff --git a/entrypoint.sh b/entrypoint.sh
index b13a4cb5..c5559dd5 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -75,6 +75,7 @@ initialize_system() {
   APP_DEBUG=${APP_DEBUG:-true}
   APP_URL=${APP_URL:-http://localhost}
   APP_LOG=${APP_LOG:-errorlog}
+  PORT=${PORT:-8000}
 
   DB_DRIVER=${DB_DRIVER:-pgsql}
   DB_HOST=${DB_HOST:-postgres}
@@ -228,6 +229,7 @@ start_system() {
   seed_db
   echo "Starting Cachet! ..."
   php artisan config:cache
+  envsubst '\$PORT' < /etc/nginx/conf.d/default.conf.template > /etc/nginx/conf.d/default.conf
   /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
 }