Error handling with thiserror and anyhow

Cargo.lock

@@ -60,6 +60,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.99"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0674a1ddeecb70197781e945de4b3b8ffb61fa939a5597bcf48503737663100"
+
 [[package]]
 name = "arraydeque"
 version = "0.5.1"
@@ -3377,6 +3383,7 @@ dependencies = [
 name = "zero2prod"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "axum",
  "chrono",
  "claims",
@@ -3393,6 +3400,7 @@ dependencies = [
  "serde-aux",
  "serde_json",
  "sqlx",
+ "thiserror",
  "tokio",
  "tower-http",
  "tracing",