chore: replace dotenv with dotenvy (#2003)

* chore: replace `dotenv` with `dotenvy`

The former appears to be unmaintained and the latter is a drop-in replacement.

* chore: fix all warnings

examples/postgres/files/Cargo.toml

@@ -9,4 +9,4 @@ edition = "2021"
 anyhow = "1.0"
 sqlx = { path = "../../../", features = ["postgres", "offline", "runtime-tokio-native-tls"] }
 tokio = { version = "1.20.0", features = ["macros"]}
-dotenv = "0.15.0"
+dotenvy = "0.15.0"

examples/postgres/files/src/main.rs

@@ -28,7 +28,7 @@ impl Display for PostWithAuthorQuery {
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
-    let pool = PgPool::connect(&dotenv::var("DATABASE_URL")?).await?;
+    let pool = PgPool::connect(&dotenvy::var("DATABASE_URL")?).await?;
 
     // we can use a tranditional wrapper around the `query!()` macro using files
     query_file!("queries/insert_seed_data.sql")

examples/postgres/json/Cargo.toml

@@ -6,7 +6,7 @@ workspace = "../../../"
 
 [dependencies]
 anyhow = "1.0"
-dotenv = "0.15.0"
+dotenvy = "0.15.0"
 futures = "0.3"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"

examples/postgres/json/src/main.rs

@@ -33,7 +33,7 @@ struct Row {
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
     let args = Args::from_args_safe()?;
-    let pool = PgPool::connect(&dotenv::var("DATABASE_URL")?).await?;
+    let pool = PgPool::connect(&dotenvy::var("DATABASE_URL")?).await?;
 
     match args.cmd {
         Some(Command::Add) => {

examples/postgres/mockable-todos/Cargo.toml

@@ -10,6 +10,6 @@ futures = "0.3"
 sqlx = { path = "../../../", features = ["postgres", "offline", "runtime-tokio-native-tls"] }
 structopt = "0.3"
 tokio = { version = "1.20.0", features = ["macros"]}
-dotenv = "0.15.0"
+dotenvy = "0.15.0"
 async-trait = "0.1.41"
 mockall = "0.11"

examples/postgres/mockable-todos/src/main.rs

@@ -1,5 +1,4 @@
 use async_trait::async_trait;
-use dotenv;
 use sqlx::postgres::PgPool;
 use std::{env, io::Write, sync::Arc};
 use structopt::StructOpt;
@@ -18,7 +17,7 @@ enum Command {
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
-    dotenv::dotenv().ok();
+    dotenvy::dotenv().ok();
     let args = Args::from_args_safe()?;
     let pool = PgPool::connect(&env::var("DATABASE_URL")?).await?;
     let todo_repo = PostgresTodoRepo::new(pool);

examples/postgres/todos/Cargo.toml

@@ -10,4 +10,4 @@ futures = "0.3"
 sqlx = { path = "../../../", features = ["postgres", "offline", "runtime-tokio-native-tls"] }
 structopt = "0.3"
 tokio = { version = "1.20.0", features = ["macros"]}
-dotenv = "0.15.0"
+dotenvy = "0.15.0"