diff --git a/compose.env-dist b/compose.env-dist
new file mode 100644
index 0000000..952b14a
--- /dev/null
+++ b/compose.env-dist
@@ -0,0 +1 @@
+PORT=8087
diff --git a/compose.yaml b/compose.yaml
index 98ef3a4..40765f0 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -16,7 +16,7 @@ services:
     volumes:
       - ./resources/heliopropa.nginx.docker:/etc/nginx/conf.d/default.conf
     ports:
-      - "8080:80"
+      - "${PORT:-8080}:80"
     depends_on:
       - web
 
--
libgit2 0.21.2