add example using rustls, without native bindings to openssl

poem/postgres-rustls/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "postgres-rustls"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+poem = "1.3.55"
+serde = "1.0.148"
+shuttle-poem = { version = "0.15.0" }
+shuttle-runtime = { version = "0.15.0" }
+shuttle-shared-db = { version = "0.15.0", features = ["postgres-rustls"] }
+sqlx = { version = "0.6.2", features = ["runtime-tokio-rustls", "postgres"] }
+tokio = { version = "1.26.0" }

poem/postgres-rustls/Shuttle.toml

@@ -0,0 +1 @@
+name = "postgres-rustls-poem-app"

poem/postgres-rustls/schema.sql

@@ -0,0 +1,6 @@
+DROP TABLE IF EXISTS todos;
+
+CREATE TABLE todos (
+  id serial PRIMARY KEY,
+  note TEXT NOT NULL
+);

poem/postgres-rustls/src/main.rs

@@ -0,0 +1,61 @@
+use poem::{
+    error::BadRequest,
+    get, handler,
+    middleware::AddData,
+    post,
+    web::{Data, Json, Path},
+    EndpointExt, Result, Route,
+};
+use serde::{Deserialize, Serialize};
+use shuttle_runtime::CustomError;
+use shuttle_poem::ShuttlePoem;
+use sqlx::{Executor, FromRow, PgPool};
+
+#[handler]
+async fn retrieve(Path(id): Path<i32>, state: Data<&PgPool>) -> Result<Json<Todo>> {
+    let todo = sqlx::query_as("SELECT * FROM todos WHERE id = $1")
+        .bind(id)
+        .fetch_one(state.0)
+        .await
+        .map_err(BadRequest)?;
+
+    Ok(Json(todo))
+}
+
+#[handler]
+async fn add(Json(data): Json<TodoNew>, state: Data<&PgPool>) -> Result<Json<Todo>> {
+    let todo = sqlx::query_as("INSERT INTO todos(note) VALUES ($1) RETURNING id, note")
+        .bind(&data.note)
+        .fetch_one(state.0)
+        .await
+        .map_err(BadRequest)?;
+
+    Ok(Json(todo))
+}
+
+#[shuttle_runtime::main]
+async fn poem(
+    #[shuttle_shared_db::Postgres] pool: PgPool,
+) -> ShuttlePoem<impl poem::Endpoint> {
+    pool.execute(include_str!("../schema.sql"))
+        .await
+        .map_err(CustomError::new)?;
+
+    let app = Route::new()
+        .at("/todo", post(add))
+        .at("/todo/:id", get(retrieve))
+        .with(AddData::new(pool));
+
+    Ok(app.into())
+}
+
+#[derive(Deserialize)]
+struct TodoNew {
+    pub note: String,
+}
+
+#[derive(Serialize, FromRow)]
+struct Todo {
+    pub id: i32,
+    pub note: String,
+}