diff --git a/audon-fe/.dockerignore b/audon-fe/.dockerignore
new file mode 100644
index 0000000..c2658d7
--- /dev/null
+++ b/audon-fe/.dockerignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/audon-fe/package-lock.json b/audon-fe/package-lock.json
index 72da4c1..f2d95c9 100644
--- a/audon-fe/package-lock.json
+++ b/audon-fe/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "audon-fe",
-  "version": "0.0.0",
+  "version": "0.1.0-dev",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "audon-fe",
-      "version": "0.0.0",
+      "version": "0.1.0-dev",
       "dependencies": {
         "@vuelidate/core": "^2.0.0",
         "@vuelidate/validators": "^2.0.0",
diff --git a/audon-fe/src/App.vue b/audon-fe/src/App.vue
index 03b823f..2266556 100644
--- a/audon-fe/src/App.vue
+++ b/audon-fe/src/App.vue
@@ -10,7 +10,7 @@ import { RouterView, RouterLink } from 'vue-router'
           <h2><RouterLink :to="{name: 'home'}" style="text-decoration: inherit; color: inherit;">Audon</RouterLink></h2>
         </v-col>
       </v-row>
-      <div style="position:fixed">v0.1.0-dev</div>
+      <div style="position:fixed">v0.1.0-dev2</div>
     </v-system-bar>
     <v-main>
       <v-container class="fill-height">
diff --git a/audon-fe/src/components/Participant.vue b/audon-fe/src/components/Participant.vue
index 9f4d846..9fa07cf 100644
--- a/audon-fe/src/components/Participant.vue
+++ b/audon-fe/src/components/Participant.vue
@@ -1,5 +1,6 @@
 <script>
 import { mdiMicrophone, mdiMicrophoneOff } from "@mdi/js";
+import { webfinger } from "../assets/utils";
 export default {
   props: {
     talking: Boolean,
@@ -42,6 +43,9 @@ export default {
       }
     },
   },
+  methods: {
+    webfinger
+  }
 };
 </script>
 
@@ -66,7 +70,7 @@ export default {
     </v-avatar>
     <h4 :class="canSpeak ? 'mt-1' : 'mt-2'">
       <v-icon v-if="canSpeak" :icon="muted ? mdiMicrophoneOff : mdiMicrophone"></v-icon>
-      <a :href="data?.url" target="_blank">{{ data?.displayName }}</a>
+      <a :href="data?.url" target="_blank">{{ data?.displayName ?? webfinger(data) }}</a>
     </h4>
   </v-col>
 </template>
diff --git a/audon-fe/src/views/CreateView.vue b/audon-fe/src/views/CreateView.vue
index c6a97bf..9b1e3c6 100644
--- a/audon-fe/src/views/CreateView.vue
+++ b/audon-fe/src/views/CreateView.vue
@@ -91,7 +91,7 @@ export default {
       if (!donURL) return "";
       const url = new URL(donURL);
       const texts = [
-        `Audon で部屋を作りました！\n視聴リンク： ${this.roomURL}`,
+        `Audon で部屋を作りました！\n参加用リンク: ${this.roomURL}`,
         `タイトル：${this.title}`,
       ];
       if (this.description)
diff --git a/audon-fe/src/views/HomeView.vue b/audon-fe/src/views/HomeView.vue
index 1438509..a43c676 100644
--- a/audon-fe/src/views/HomeView.vue
+++ b/audon-fe/src/views/HomeView.vue
@@ -1,6 +1,5 @@
 <script>
 import { useMastodonStore } from "../stores/mastodon";
-import { mdiLogout } from "@mdi/js";
 import axios from "axios";
 
 export default {
@@ -11,7 +10,6 @@ export default {
   },
   data() {
     return {
-      mdiLogout,
       query: "",
     };
   },
@@ -40,7 +38,6 @@ export default {
   <main>
     <div class="text-right">
       <v-btn
-        :append-icon="mdiLogout"
         variant="outlined"
         color="red"
         @click="onLogout"
diff --git a/audon-fe/src/views/RoomView.vue b/audon-fe/src/views/RoomView.vue
index 7ca7b94..0377c37 100644
--- a/audon-fe/src/views/RoomView.vue
+++ b/audon-fe/src/views/RoomView.vue
@@ -7,13 +7,13 @@ import Participant from "../components/Participant.vue";
 import {
   mdiMicrophone,
   mdiMicrophoneOff,
-  mdiPhoneRemove,
   mdiMicrophoneQuestion,
   mdiDoorClosed,
   mdiVolumeOff,
   mdiClose,
   mdiCheck,
   mdiAccountVoice,
+  mdiLogout
 } from "@mdi/js";
 import {
   Room,
@@ -51,10 +51,10 @@ export default {
   },
   data() {
     return {
+      mdiLogout,
       mdiAccountVoice,
       mdiMicrophone,
       mdiMicrophoneOff,
-      mdiPhoneRemove,
       mdiMicrophoneQuestion,
       mdiDoorClosed,
       mdiVolumeOff,
@@ -358,7 +358,7 @@ export default {
       await this.publishDataToHostAndCohosts(data);
     },
     async requestSpeak() {
-      if (confirm("通話をリクエストしますか？")) {
+      if (confirm("発言をリクエストしますか？")) {
         await this.publishDataToHostAndCohosts({ kind: "speak_request" });
         this.showRequestedNotification = true;
       }
@@ -476,7 +476,7 @@ export default {
   </v-dialog>
   <v-dialog v-model="showRequestDialog" max-width="500">
     <v-card max-height="600" class="d-flex flex-column">
-      <v-card-title>通話リクエスト</v-card-title>
+      <v-card-title>発言リクエスト</v-card-title>
       <v-card-text class="flex-grow-1 overflow-auto py-0">
         <v-list v-if="speakRequests.size > 0" lines="two" variant="tonal">
           <v-list-item
@@ -531,7 +531,7 @@ export default {
     v-model="showRequestedNotification"
     color="info"
   >
-    <strong>通話リクエストを送信しました！</strong>
+    <strong>発言リクエストを送信しました！</strong>
     <template v-slot:actions>
       <v-btn
         variant="text"
@@ -554,7 +554,7 @@ export default {
         showRequestNotification = false;
       "
     >
-      <strong>新しい通話リクエストがあります</strong>
+      <strong>新しい発言リクエストがあります</strong>
     </div>
     <template v-slot:actions>
       <v-btn
@@ -588,7 +588,7 @@ export default {
         style="height: 100px"
       >
         <v-container class="py-0">
-          <pre class="text-body-1">{{ roomInfo.description }}</pre>
+          <p style="white-space: pre-wrap;">{{ roomInfo.description }}</p>
         </v-container>
       </div>
       <v-divider></v-divider>
@@ -638,7 +638,7 @@ export default {
           @click="onToggleMute"
         ></v-btn>
         <v-btn
-          :icon="mdiPhoneRemove"
+          :icon="mdiLogout"
           color="red"
           @click="roomClient.disconnect()"
           variant="flat"
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
new file mode 100644
index 0000000..7d12d86
--- /dev/null
+++ b/docker-compose.dev.yml
@@ -0,0 +1,43 @@
+# Use root/example as user/password credentials
+version: '3.1'
+
+services:
+
+  db:
+    image: mongo:6
+    restart: unless-stopped
+    ports:
+      - "27017:27017"
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: mongo
+      MONGO_INITDB_ROOT_PASSWORD: mongo
+    # volumes:
+    #   - ./mongo:/data/db
+
+  mongo-express:
+    image: mongo-express
+    restart: unless-stopped
+    ports:
+      - 8081:8081
+    environment:
+      ME_CONFIG_MONGODB_ADMINUSERNAME:
+      ME_CONFIG_MONGODB_ADMINPASSWORD: example
+      ME_CONFIG_MONGODB_URL: mongodb://mongo:mongo@db:27017/
+
+  redis:
+    image: redis:7-alpine
+    restart: unless-stopped
+    command: redis-server
+    ports:
+      - "6379:6379"
+    # volumes:
+    #   - ./redis:/data
+    #   - ./config/redis.conf:/etc/redis.conf
+
+  redisinsight:
+    image: redislabs/redisinsight:latest
+    restart: unless-stopped
+    ports:
+      - 8001:8001
+  #  volumes:
+  #    - redisinsight:/db
diff --git a/docker-compose.yml b/docker-compose.yml
index c8f9c0e..4e74a38 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -18,9 +18,9 @@ services:
   #  ports:
   #    - 8081:8081
   #  environment:
-  #    ME_CONFIG_MONGODB_ADMINUSERNAME: root
+  #    ME_CONFIG_MONGODB_ADMINUSERNAME:
   #    ME_CONFIG_MONGODB_ADMINPASSWORD: example
-  #    ME_CONFIG_MONGODB_URL: mongodb://root:example@mongo:27017/
+  #    ME_CONFIG_MONGODB_URL: mongodb://mongo:mongo@db:27017/
 
   redis:
     image: redis:7-alpine
diff --git a/oauth.go b/oauth.go
index 8fde77f..8608568 100644
--- a/oauth.go
+++ b/oauth.go
@@ -22,6 +22,7 @@ func verifyTokenInSession(c echo.Context) (bool, *mastodon.Account, error) {
 		return false, nil, nil
 	}
 	mastoClient := mastodon.NewClient(data.MastodonConfig)
+	mastoClient.UserAgent = USER_AGENT
 
 	acc, err := mastoClient.GetAccountCurrentUser(c.Request().Context())
 	user, dbErr := findUserByID(c.Request().Context(), data.AudonID)
@@ -64,7 +65,8 @@ func loginHandler(c echo.Context) (err error) {
 		if err != nil {
 			return ErrInvalidRequestFormat
 		}
-		mastApp, err := mastodon.RegisterApp(c.Request().Context(), appConfig)
+		// mastApp, err := mastodon.RegisterApp(c.Request().Context(), appConfig)
+		mastApp, err := registerApp(c.Request().Context(), appConfig)
 		if err != nil {
 			c.Logger().Error(err)
 			return echo.NewHTTPError(http.StatusNotFound, "server_not_found")
@@ -122,6 +124,7 @@ func oauthHandler(c echo.Context) (err error) {
 
 	data.AuthCode = req.Code
 	client := mastodon.NewClient(data.MastodonConfig)
+	client.UserAgent = USER_AGENT
 	err = client.AuthenticateToken(c.Request().Context(), req.Code, appConf.RedirectURIs)
 	if err != nil {
 		return echo.NewHTTPError(http.StatusForbidden, err.Error())
diff --git a/utils.go b/utils.go
new file mode 100644
index 0000000..1dc3eeb
--- /dev/null
+++ b/utils.go
@@ -0,0 +1,73 @@
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"net/http"
+	"net/url"
+	"path"
+	"strings"
+
+	mastodon "github.com/mattn/go-mastodon"
+)
+
+const USER_AGENT = "Audon/0.1.0"
+
+// RegisterApp returns the mastodon application.
+func registerApp(ctx context.Context, appConfig *mastodon.AppConfig) (*mastodon.Application, error) {
+	params := url.Values{}
+	params.Set("client_name", appConfig.ClientName)
+	if appConfig.RedirectURIs == "" {
+		params.Set("redirect_uris", "urn:ietf:wg:oauth:2.0:oob")
+	} else {
+		params.Set("redirect_uris", appConfig.RedirectURIs)
+	}
+	params.Set("scopes", appConfig.Scopes)
+	params.Set("website", appConfig.Website)
+
+	u, err := url.Parse(appConfig.Server)
+	if err != nil {
+		return nil, err
+	}
+	u.Path = path.Join(u.Path, "/api/v1/apps")
+
+	req, err := http.NewRequest(http.MethodPost, u.String(), strings.NewReader(params.Encode()))
+	if err != nil {
+		return nil, err
+	}
+	req = req.WithContext(ctx)
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	req.Header.Set("User-Agent", USER_AGENT)
+	resp, err := appConfig.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, errors.New("bad request")
+	}
+
+	var app mastodon.Application
+	err = json.NewDecoder(resp.Body).Decode(&app)
+	if err != nil {
+		return nil, err
+	}
+
+	u, err = url.Parse(appConfig.Server)
+	if err != nil {
+		return nil, err
+	}
+	u.Path = path.Join(u.Path, "/oauth/authorize")
+	u.RawQuery = url.Values{
+		"scope":         {appConfig.Scopes},
+		"response_type": {"code"},
+		"redirect_uri":  {app.RedirectURI},
+		"client_id":     {app.ClientID},
+	}.Encode()
+
+	app.AuthURI = u.String()
+
+	return &app, nil
+}