diff --git a/Dockerfile b/Dockerfile
index 02f0b81..2a97ac5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,9 +9,9 @@ COPY build/ ./
 # so no `npm install` is necessary here.
 
 # Expose the port that server.js listens on
-EXPOSE 3000
+EXPOSE 80
 
-ENV PORT=3000
+ENV PORT=80
 ENV HOSTNAME="0.0.0.0"
 ENV NODE_ENV=production
 
diff --git a/build.sh b/build.sh
index 46f85bb..6c07dd6 100755
--- a/build.sh
+++ b/build.sh
@@ -88,5 +88,5 @@ fi
 echo
 echo "Done. This script did NOT commit, push, or trigger Dokploy."
 echo "Review the diff above, then: git add -A && git commit && git push, and redeploy doormilesite in Dokploy."
-echo "Dokploy must route to internal container port 3000."
+echo "Dokploy must route to internal container port 80."
 echo "Required SMTP environment variables in Dokploy: SMTP_HOST, SMTP_PORT, SMTP_USER, SMTP_PASSWORD, CONTACT_RECEIVER"
diff --git a/nginx.conf b/nginx.conf
index e28ad86..b55b96e 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -11,7 +11,7 @@ http {
     default_type  application/octet-stream;
 
     upstream nextjs {
-        server 127.0.0.1:3000;
+        server 127.0.0.1:80;
     }
 
     server {