From 15bf14728ac9831523422ced0eff7db7cebe52ac Mon Sep 17 00:00:00 2001
From: Lucas Winther <lucwin@ece.au.dk>
Date: Fri, 10 Jul 2026 05:38:00 +0200
Subject: [PATCH] Allow changing port via env

---
 Dockerfile         | 3 ++-
 docker-compose.yml | 3 ++-
 src/index.ts       | 7 ++++---
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 5b8a924..78da403 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,5 +32,6 @@ COPY --from=build /app/dist ./dist
 RUN mkdir -p /app/data && chown -R bun:bun /app/data
 USER bun
 
-EXPOSE 3000
+ENV PORT=3000
+EXPOSE $PORT
 CMD ["bun", "src/index.ts"]
diff --git a/docker-compose.yml b/docker-compose.yml
index 0cb46c4..6561c8b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,8 +2,9 @@ services:
   whisper-web:
     build: .
     ports:
-      - "3000:3000"
+      - "${PORT:-3000}:${PORT:-3000}"
     environment:
+      PORT: "${PORT:-3000}"
       # Runtime feature flags (Decisions.md D-015).
       AUTH_ENABLED: "true" # set to "false" to disable login/register
     volumes:
diff --git a/src/index.ts b/src/index.ts
index 7d2f96f..9280082 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -189,9 +189,10 @@ async function developmentServeOptions(): Promise<ServeOptions> {
 
 // ---------------------------------------------------------------------------
 
-const server = serve(
-  IS_PRODUCTION ? await productionServeOptions() : await developmentServeOptions(),
-);
+const options = IS_PRODUCTION ? await productionServeOptions() : await developmentServeOptions();
+options.port = process.env.PORT || 3000;
+
+const server = serve(options);
 
 console.log(
   `Server running at ${server.url} (${IS_PRODUCTION ? "production, serving dist/" : "development"})`,