feat: add ssh for database access

configuration/local.yaml

@@ -1,2 +1,4 @@
 application:
   host: 127.0.0.1
+database:
+  require_ssl: false

configuration/production.yaml

@@ -1,2 +1,4 @@
 application:
   host: 0.0.0.0
+database:
+  require_ssl: true

src/configuration.rs

@@ -1,5 +1,8 @@
 use secrecy::{ExposeSecret, Secret};
 use serde_aux::field_attributes::deserialize_number_from_string;
+use sqlx::postgres::PgConnectOptions;
+use sqlx::postgres::PgSslMode;
+use sqlx::ConnectOptions;
 
 #[derive(serde::Deserialize)]
 /// The setting collection.
@@ -102,24 +105,24 @@ pub fn get_configuration() -> Result<Settings, config::ConfigError> {
 }
 
 impl DatabaseSettings {
-    pub fn connection_string(&self) -> Secret<String> {
-        Secret::new(format!(
-            "postgres://{}:{}@{}:{}/{}",
-            self.username,
-            self.password.expose_secret(),
-            self.host,
-            self.port,
-            self.name
-        ))
+    pub fn without_db(&self) -> PgConnectOptions {
+        let ssl_mode = if self.require_ssl {
+            PgSslMode::Require
+        } else {
+            // Try an encrypted connection, fallback to unencrypted if it fails
+            PgSslMode::Prefer
+        };
+        PgConnectOptions::new()
+            .host(&self.host)
+            .username(&self.username)
+            .password(self.password.expose_secret())
+            .port(self.port)
+            .ssl_mode(ssl_mode)
     }
 
-    pub fn connection_string_without_db(&self) -> Secret<String> {
-        Secret::new(format!(
-            "postgres://{}:{}@{}:{}",
-            self.username,
-            self.password.expose_secret(),
-            self.host,
-            self.port
-        ))
+    pub fn with_db(&self) -> PgConnectOptions {
+        let mut options = self.without_db().database(&self.name);
+        options = options.log_statements(tracing::log::LevelFilter::Trace);
+        options
     }
 }

src/main.rs

@@ -1,7 +1,6 @@
 use learn_axum::configuration::get_configuration;
 use learn_axum::startup;
 use learn_axum::telemetry::{get_subscriber, init_subscriber};
-use secrecy::ExposeSecret;
 use sqlx::postgres::PgPoolOptions;
 use tokio::net::TcpListener;
 
@@ -20,7 +19,6 @@ async fn main() {
     let listener = TcpListener::bind(addr).await.unwrap(); //.expect("Unable to bind to port");
     let connection_pool = PgPoolOptions::new()
         .acquire_timeout(std::time::Duration::from_secs(2))
-        .connect_lazy(configuration.database.connection_string().expose_secret())
-        .expect("Failed to connect to Postgres.");
+        .connect_lazy_with(configuration.database.with_db());
     startup::run(listener, connection_pool).await.unwrap();
 }

tests/health_check.rs

@@ -1,7 +1,6 @@
 use learn_axum::configuration::{get_configuration, DatabaseSettings};
 use learn_axum::telemetry::{get_subscriber, init_subscriber};
 use once_cell::sync::Lazy;
-use secrecy::ExposeSecret;
 use sqlx::{Connection, Executor, PgConnection, PgPool};
 use tokio::net::TcpListener;
 use uuid::Uuid;
@@ -129,17 +128,16 @@ async fn spawn_app() -> TestApp {
 
 pub async fn configure_database(config: &DatabaseSettings) -> PgPool {
     // Create database
-    let mut connection =
-        PgConnection::connect(&config.connection_string_without_db().expose_secret())
-            .await
-            .expect("Failed to connect to Postgres");
+    let mut connection = PgConnection::connect_with(&config.without_db())
+        .await
+        .expect("Failed to connect to Postgres");
     connection
         .execute(format!(r#"CREATE DATABASE "{}";"#, config.name).as_str())
         .await
         .expect("Failed to create database.");
 
     // Migrate database
-    let connection_pool = PgPool::connect(&config.connection_string().expose_secret())
+    let connection_pool = PgPool::connect_with(config.with_db())
         .await
         .expect("Failed to connect to Postgres.");
     sqlx::migrate!("./migrations")