diff --git a/docker-compose.yml b/docker-compose.yml
index d4dfa48..f62e473 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -16,4 +16,4 @@ services:
     depends_on:
       - memcached
     ports:
-      - 5000:5000
+      - 80:5000
diff --git a/proxy.mjs b/proxy.mjs
index 52c6254..0326581 100644
--- a/proxy.mjs
+++ b/proxy.mjs
@@ -1,11 +1,19 @@
 import http from 'http'
 import httpProxy from 'http-proxy'
 
-const proxy = httpProxy.createProxyServer({})
+function start() {
+  try {
+    const proxy = httpProxy.createProxyServer({})
+    const server = http.createServer(function (req, res) {
+      const target = req.url.startsWith('/api/') ? 'http://localhost:5000' : 'http://localhost:3000'
+      proxy.web(req, res, { target })
+    })
+    server.listen(1234)
 
-var server = http.createServer(function (req, res) {
-  const target = req.url.startsWith('/api/') ? 'http://localhost:5000' : 'http://localhost:3000'
-  proxy.web(req, res, { target })
-})
+    server.on('error', () => start())
+  } catch (e) {
+    start()
+  }
+}
 
-server.listen(1234)
+start()
diff --git a/src/note/model.rs b/src/note/model.rs
index 5916536..6cbb092 100644
--- a/src/note/model.rs
+++ b/src/note/model.rs
@@ -7,7 +7,7 @@ pub struct Note {
   pub meta: String,
   pub contents: String,
   pub views: Option<u8>,
-  pub expiration: Option<u64>,
+  pub expiration: Option<u32>,
 }
 
 #[derive(Serialize, Deserialize, Clone)]
diff --git a/src/note/routes.rs b/src/note/routes.rs
index 7e8fd58..5c1438c 100644
--- a/src/note/routes.rs
+++ b/src/note/routes.rs
@@ -6,11 +6,11 @@ use crate::note::{generate_id, Note, NoteInfo, NotePublic};
 use crate::size::LIMIT;
 use crate::store;
 
-fn now() -> u64 {
+pub fn now() -> u32 {
   SystemTime::now()
     .duration_since(SystemTime::UNIX_EPOCH)
     .unwrap()
-    .as_secs()
+    .as_secs() as u32
 }
 
 #[derive(Serialize, Deserialize)]
@@ -86,10 +86,12 @@ async fn delete(path: web::Path<NotePath>) -> impl Responder {
         }
         _ => {}
       }
+
+      let n = now();
       match changed.expiration {
         Some(e) => {
-          store::del(&p.id.clone());
-          if e < now() {
+          if e < n {
+            store::del(&p.id.clone());
             return HttpResponse::BadRequest().finish();
           }
         }
diff --git a/src/store.rs b/src/store.rs
index 681e143..4c09b13 100644
--- a/src/store.rs
+++ b/src/store.rs
@@ -1,5 +1,6 @@
 use memcache;
 
+use crate::note::now;
 use crate::note::Note;
 
 lazy_static! {
@@ -12,7 +13,11 @@ lazy_static! {
 
 pub fn set(id: &String, note: &Note) {
   let serialized = serde_json::to_string(&note.clone()).unwrap();
-  CLIENT.set(id, serialized, 0).unwrap();
+  let expiration: u32 = match note.expiration {
+    Some(e) => e - now(),
+    None => 0,
+  };
+  CLIENT.set(id, serialized, expiration).unwrap();
 }
 
 pub fn get(id: &String) -> Option<Note> {