make vite server reachable from outside the container

[fix #1225] https://framagit.org/framasoft/mobilizon/-/issues/1225

Dockerfile

@@ -7,3 +7,4 @@ RUN mix local.hex --force && mix local.rebar --force
 WORKDIR /app
 
 EXPOSE 4000
+EXPOSE 5173

docker-compose.yml

@@ -19,6 +19,7 @@ services:
       - ".:/app"
     ports:
       - 4000:4000
+      - 5173:5173
     depends_on:
       - postgres
     environment:

js/vite.config.js

@@ -30,6 +30,9 @@ export default defineConfig(({ command }) => {
       }),
       visualizer(),
     ],
+    server: {
+      host: (isDev ? "0.0.0.0" : "localhost")
+    },
     build: {
       manifest: true,
       outDir: path.resolve(__dirname, "../priv/static"),