fix: change default bind to be localhost

Dockerfile

@@ -12,7 +12,7 @@ FROM oven/bun:1.3.11-alpine AS runner
 WORKDIR /app/dist
 
 ENV NODE_ENV=production
-ENV HOST=0.0.0.0
+ENV HOST=localhost
 ENV PORT=3000
 ENV DATABASE_PATH=/data/excalidraw.sqlite
 

README.md

@@ -27,9 +27,8 @@ docker run --rm -p 3000:3000 -v "$PWD/excali-box-data:/data" excali
 
 This will make the data persistent in the `excali-box-data` folder in the current directory, the site will be available at `localhost:3000`.
 
-> Note that this command will bind to ALL interfaces. If you use a rev
-> proxy, you may want to bind to locahost instead, you can do that by setting the `HOST` environment variable to `localhost`:
+By default, this image binds to `localhost`. To expose it on all interfaces, set `HOST=0.0.0.0`:
 
 ```bash
-docker run --rm -p 3000:3000 -v "$PWD/excali-box-data:/data" -e HOST=localhost excali
+docker run --rm -p 3000:3000 -v "$PWD/excali-box-data:/data" -e HOST=0.0.0.0 excali
 ```

src/server.tsx

@@ -8,7 +8,7 @@ export function createServer() {
 
   return {
     port: Number(process.env.PORT ?? "3000"),
-    hostname: process.env.HOST ?? "0.0.0.0",
+    hostname: process.env.HOST ?? "localhost",
     routes: {
       "/": (request: Request) => {
         const drawing = drawingStore.ensureInitialDrawing();