Allow changing port via env

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"]

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:

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"})`,