create migration

.env

@@ -1,4 +1,4 @@
 SERVER_URL="127.0.0.1"
 SERVER_PORT=8080
 
-DATABASE_URL="postgres://postgres:postgres@database:5432/talkhub"
+DATABASE_URL="postgres://postgres:postgres@database:5432/talk_hub"

crates/database/Cargo.toml

@@ -8,3 +8,32 @@ repository.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+chrono = { workspace = true }
+serde = { workspace = true }
+serde_with = { workspace = true }
+url = { workspace = true }
+serde_json = { workspace = true }
+bcrypt = { workspace = true }
+diesel = { workspace = true, features = [
+    "postgres",
+    "chrono",
+    "serde_json",
+    "uuid",
+] }
+diesel-derive-newtype = { workspace = true }
+diesel-derive-enum = { workspace = true }
+diesel_migrations = { workspace = true }
+diesel-async = { workspace = true, features = [
+    "postgres",
+    "deadpool",
+] }
+regex = { workspace = true }
+once_cell = { workspace = true }
+diesel_ltree = { workspace = true }
+async-trait = { workspace = true }
+tracing = { workspace = true }
+deadpool = { version = "0.12.1", features = ["rt_tokio_1"] }
+tokio = { workspace = true }
+tokio-postgres = { workspace = true }
+uuid = { workspace = true, features = ["v4"] }
+anyhow = { workspace = true }

crates/database/src/lib.rs

@@ -1,3 +1,5 @@
+mod schema;
+
 pub fn add(left: usize, right: usize) -> usize {
     left + right
 }

crates/database/src/schema.rs

@@ -0,0 +1,23 @@
+diesel::table! {
+    channel(id) {
+        id -> Int4,
+        name -> Text,
+        description -> Text,
+        created_at -> Timestamp,
+        updated_at -> Timestamp,
+    }
+}
+
+diesel::table! {
+    message(id) {
+        id -> Int4,
+        content -> Text,
+        channel_id -> Int4,
+        created_at -> Timestamp,
+        updated_at -> Timestamp,
+    }
+}
+
+diesel::joinable!(message -> channel (channel_id));
+
+diesel::allow_tables_to_appear_in_same_query!(channel, message);

diesel.toml

@@ -0,0 +1,9 @@
+# For documentation on how to configure this file,
+# see https://diesel.rs/guides/configuring-diesel-cli
+
+[print_schema]
+file = "crates/database/src/schema.rs"
+custom_type_derives = ["diesel::query_builder::QueryId", "Clone"]
+
+[migrations_directory]
+dir = "./migrations"

docker/Dockerfile_database

@@ -0,0 +1,4 @@
+FROM postgres:16.2
+
+RUN localedef -i ja_JP -c -f UTF-8 -A /usr/share/locale/locale.alias ja_JP.UTF-8
+ENV LANG ja_JP.utf8