diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..f291f7b
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,9 @@
+target/
+.git/
+.github/
+*.md
+.dockerignore
+Dockerfile
+railway.toml
+deploy.sh
+generate_entity.sh
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 63a8604..1d35219 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   ci:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@nightly
         with:
           components: clippy
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e4a6e00..1c03d5a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,4 +1,4 @@
-name: Shuttle Deploy
+name: Railway Deploy
 
 on:
   push:
@@ -11,33 +11,25 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
 
       - name: Set commit metadata
         run: |
           echo "COMMIT_HASH=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
           echo "COMMIT_DATE=$(git show -s --format=%ci HEAD)" >> $GITHUB_ENV
 
-      - uses: shuttle-hq/deploy-action@v2
-        with:
-          shuttle-api-key: ${{ secrets.SHUTTLE_API_KEY }}
-          project-id: ${{ secrets.SHUTTLE_PROJECT_ID || 'proj_01JCJS9WKRQ1RC9MVZW6WDJK97' }}
-          extra-args: --allow-dirty
-          secrets: |
-            AI_API_KEY = '${{ secrets.AI_API_KEY }}'
-            GEMINI_API_KEY = '${{ secrets.GEMINI_API_KEY }}'
-            DISCORD_TOKEN = '${{ secrets.DISCORD_TOKEN }}'
-            DEBUG_ROOM_ID = '${{ secrets.DEBUG_ROOM_ID }}'
-            FREETALK1_ROOM_ID = '${{ secrets.FREETALK1_ROOM_ID }}'
-            FREETALK2_ROOM_ID = '${{ secrets.FREETALK2_ROOM_ID }}'
-            MADSISTERS_ROOM_ID = '${{ secrets.MADSISTERS_ROOM_ID }}'
-            SHYBOYS_ROOM_ID = '${{ secrets.SHYBOYS_ROOM_ID }}'
-            SHUTTLE_API_KEY = '${{ secrets.SHUTTLE_API_KEY }}'
-            EROGAKI_ROLE_ID = '${{ secrets.EROGAKI_ROLE_ID }}'
-            JAIL_MARK_ROLE_ID = '${{ secrets.JAIL_MARK_ROLE_ID }}'
-            JAIL_MAIN_ROLE_ID = '${{ secrets.JAIL_MAIN_ROLE_ID }}'
-            DISCORD_GUILD_ID = '${{ secrets.DISCORD_GUILD_ID }}'
-            COMMIT_HASH = '${{ env.COMMIT_HASH }}'
-            COMMIT_DATE = '${{ env.COMMIT_DATE }}'
-            DISABLED_COMMANDS = '${{ secrets.DISABLED_COMMANDS }}'
-            ROOMS_ID = '${{ secrets.ROOMS_ID }}'
+      - name: Install Railway CLI
+        run: npm install -g @railway/cli
+
+      - name: Set variables
+        run: |
+          railway variables set \
+            COMMIT_HASH='${{ env.COMMIT_HASH }}' \
+            COMMIT_DATE='${{ env.COMMIT_DATE }}'
+        env:
+          RAILWAY_TOKEN: ${{ secrets.RAILWAY_TOKEN }}
+
+      - name: Deploy
+        run: railway up --detach
+        env:
+          RAILWAY_TOKEN: ${{ secrets.RAILWAY_TOKEN }}
diff --git a/Cargo.toml b/Cargo.toml
index b3f8c17..46f9ae6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,9 +18,7 @@ serenity = { version = "0.12.4", default-features = false, features = [
   "model",
   "chrono",
 ] }
-shuttle-runtime = "0.55.0"
-shuttle-serenity = "0.55.0"
-tokio = "1.45.1"
+tokio = { version = "1.45.1", features = ["macros", "rt-multi-thread"] }
 tracing = "0.1.41"
 rand_distr = "0.5.1"
 strum = { version = "0.27.1", features = ["derive"] }
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..0ad6bfc
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,20 @@
+# syntax=docker/dockerfile:1
+
+FROM lukemathwalker/cargo-chef:latest-rust-1 AS chef
+WORKDIR /app
+
+FROM chef AS planner
+COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
+
+FROM chef AS builder
+COPY --from=planner /app/recipe.json recipe.json
+RUN cargo chef cook --release --recipe-path recipe.json
+
+COPY . .
+RUN cargo build --release
+
+FROM debian:trixie-slim
+COPY --from=builder /app/target/release/udamanami /usr/local/bin/udamanami
+
+CMD ["udamanami"]
diff --git a/deploy.sh b/deploy.sh
index cbbcd43..4463714 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -1,2 +1 @@
-cargo shuttle deploy --allow-dirty --no-test -idle-minutes 0
-cargo shuttle project statuscar
+railway up --detach
diff --git a/railway.toml b/railway.toml
new file mode 100644
index 0000000..97ab113
--- /dev/null
+++ b/railway.toml
@@ -0,0 +1,6 @@
+[build]
+dockerfilePath = "Dockerfile"
+
+[deploy]
+restartPolicyType = "ON_FAILURE"
+restartPolicyMaxRetries = 10
diff --git a/src/main.rs b/src/main.rs
index 9a49e6b..9b0d5f1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,4 @@
-use std::{convert::Into, str::FromStr};
+use std::{env, str::FromStr};
 
 use anyhow::Context as _;
 
@@ -6,27 +6,30 @@ use serenity::{
     model::id::{ChannelId, GuildId, RoleId},
     prelude::*,
 };
-use shuttle_runtime::SecretStore;
 
 use udamanami::ai;
 use udamanami::db::BotDatabase;
 use udamanami::Bot;
 
-#[shuttle_runtime::main]
-async fn serenity(
-    #[shuttle_runtime::Secrets] secrets: SecretStore,
-) -> shuttle_serenity::ShuttleSerenity {
-    // Get the discord token set in `Secrets.toml`
-    let token = secrets
-        .get("DISCORD_TOKEN")
-        .context("'DISCORD_TOKEN' was not found")?;
+fn env_var(key: &str) -> Option<String> {
+    env::var(key).ok()
+}
+
+fn env_var_required(key: &str) -> anyhow::Result<String> {
+    env::var(key).with_context(|| format!("'{key}' was not found"))
+}
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    // Get the discord token set in environment variables
+    let token = env_var_required("DISCORD_TOKEN")?;
 
     // Set gateway intents, which decides what events the bot will be notified about
     let intents = GatewayIntents::GUILD_MESSAGES
         | GatewayIntents::MESSAGE_CONTENT
         | GatewayIntents::DIRECT_MESSAGES;
 
-    let channel_ids_new = secrets.get("ROOMS_ID").map_or(vec![], |rooms| {
+    let channel_ids_new = env_var("ROOMS_ID").map_or(vec![], |rooms| {
         rooms
             .split(',')
             .filter_map(|id| ChannelId::from_str(id.trim()).ok())
@@ -35,12 +38,12 @@ async fn serenity(
 
     // ↓ここからのコードは将来的に取り除きたい
     let channel_ids_old: Vec<ChannelId> = vec![
-        secrets.get("FREETALK1_ROOM_ID"),
-        secrets.get("FREETALK2_ROOM_ID"),
-        secrets.get("MADSISTERS_ROOM_ID"),
-        secrets.get("SHYBOYS_ROOM_ID"),
-        secrets.get("DEBUG_ROOM_ID"),
-        secrets.get("HOSPITAL_ROOM_ID"),
+        env_var("FREETALK1_ROOM_ID"),
+        env_var("FREETALK2_ROOM_ID"),
+        env_var("MADSISTERS_ROOM_ID"),
+        env_var("SHYBOYS_ROOM_ID"),
+        env_var("DEBUG_ROOM_ID"),
+        env_var("HOSPITAL_ROOM_ID"),
     ]
     .into_iter()
     .filter_map(|id| id.and_then(|id| ChannelId::from_str(&id).ok()))
@@ -53,13 +56,11 @@ async fn serenity(
     };
     // ↑ここまで
 
-    let debug_channel_id = secrets
-        .get("DEBUG_ROOM_ID")
+    let debug_channel_id = env_var("DEBUG_ROOM_ID")
         .map(|id| ChannelId::from_str(&id).unwrap())
         .unwrap_or_default();
 
-    let disabled_commands = secrets
-        .get("DISABLED_COMMANDS")
+    let disabled_commands = env_var("DISABLED_COMMANDS")
         .map(|commands| {
             commands
                 .split(',')
@@ -72,28 +73,26 @@ async fn serenity(
         .map(|s| s.as_str())
         .collect::<Vec<_>>();
 
-    let guild_id = secrets
-        .get("DISCORD_GUILD_ID")
+    let guild_id = env_var("DISCORD_GUILD_ID")
         .map(|id| GuildId::from_str(&id).unwrap())
         .unwrap();
 
-    let jail_mark_role_id = secrets
-        .get("JAIL_MARK_ROLE_ID")
+    let jail_mark_role_id = env_var("JAIL_MARK_ROLE_ID")
         .map(|id| RoleId::from_str(&id).unwrap())
-        .unwrap();
+        .unwrap_or_default();
 
-    let jail_main_role_id = secrets
-        .get("JAIL_MAIN_ROLE_ID")
+    let jail_main_role_id = env_var("JAIL_MAIN_ROLE_ID")
         .map(|id| RoleId::from_str(&id).unwrap())
-        .unwrap();
+        .unwrap_or_default();
 
-    let commit_hash = secrets.get("COMMIT_HASH");
+    let commit_hash = env_var("COMMIT_HASH");
 
-    let commit_date = secrets.get("COMMIT_DATE");
+    let commit_date = env_var("COMMIT_DATE");
 
-    let gemini = ai::GeminiAI::manami(&secrets.get("GEMINI_API_KEY").unwrap());
+    let gemini = ai::GeminiAI::manami(&env_var_required("GEMINI_API_KEY")?);
 
-    let database = BotDatabase::new("./db.sqlite").await?;
+    let database_path = env_var("DATABASE_PATH").unwrap_or_else(|| "./db.sqlite".to_owned());
+    let database = BotDatabase::new(&database_path).await?;
 
     let bot = Bot::new(
         channel_ids,
@@ -109,10 +108,12 @@ async fn serenity(
     )
     .await;
 
-    let client = Client::builder(&token, intents)
+    let mut client = Client::builder(&token, intents)
         .event_handler(bot)
         .await
         .expect("Err creating client");
 
-    Ok(client.into())
+    client.start().await?;
+
+    Ok(())
 }