diff --git a/Cargo.lock b/Cargo.lock
index f7cd23f..ad63934 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -932,6 +932,15 @@ dependencies = [
  "tokio-postgres",
 ]
 
+[[package]]
+name = "atoi"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7c57d12312ff59c811c0643f4d80830505833c9ffaebd193d819392b265be8e"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -1986,6 +1995,21 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crc"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53757d12b596c16c78b83458d732a5d1a17ab3f53f2f7412f6fb57cc8a140ab3"
+dependencies = [
+ "crc-catalog",
+]
+
+[[package]]
+name = "crc-catalog"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d0165d2900ae6778e36e80bbc4da3b5eefccee9ba939761f9c2882a5d9af3ff"
+
 [[package]]
 name = "crc32c"
 version = "0.6.3"
@@ -2437,6 +2461,12 @@ version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
 
+[[package]]
+name = "dotenvy"
+version = "0.15.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03d8c417d7a8cb362e0c37e5d815f5eb7c37f79ff93707329d5a194e42e54ca0"
+
 [[package]]
 name = "dtoa"
 version = "1.0.4"
@@ -2448,6 +2478,9 @@ name = "either"
 version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "encoding_rs"
@@ -2664,6 +2697,9 @@ version = "0.10.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1657b4441c3403d9f7b3409e47575237dac27b1b5726df654a6ecbf92f0f7577"
 dependencies = [
+ "futures-core",
+ "futures-sink",
+ "pin-project",
  "spin 0.9.4",
 ]
 
@@ -2863,6 +2899,17 @@ dependencies = [
  "futures-util",
 ]
 
+[[package]]
+name = "futures-intrusive"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a604f7a68fbf8103337523b1fadc8ade7361ee3f112f7c680ad179651616aed5"
+dependencies = [
+ "futures-core",
+ "lock_api",
+ "parking_lot 0.11.2",
+]
+
 [[package]]
 name = "futures-io"
 version = "0.3.25"
@@ -3080,11 +3127,23 @@ dependencies = [
  "hashbrown 0.11.2",
 ]
 
+[[package]]
+name = "hashlink"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69fe1fcf8b4278d860ad0548329f892a3631fb63f82574df68275f34cdbe0ffa"
+dependencies = [
+ "hashbrown 0.12.3",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9"
+dependencies = [
+ "unicode-segmentation",
+]
 
 [[package]]
 name = "hello-world"
@@ -3867,6 +3926,7 @@ version = "0.24.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "898745e570c7d0453cc1fbc4a701eb6c662ed54e8fec8b7d14be137ebeeb9d14"
 dependencies = [
+ "cc",
  "pkg-config",
  "vcpkg",
 ]
@@ -5446,7 +5506,7 @@ dependencies = [
  "bitflags",
  "fallible-iterator",
  "fallible-streaming-iterator",
- "hashlink",
+ "hashlink 0.7.0",
  "libsqlite3-sys",
  "memchr",
  "smallvec",
@@ -6120,6 +6180,107 @@ dependencies = [
  "lock_api",
 ]
 
+[[package]]
+name = "sqlformat"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f87e292b4291f154971a43c3774364e2cbcaec599d3f5bf6fa9d122885dbc38a"
+dependencies = [
+ "itertools",
+ "nom",
+ "unicode_categories",
+]
+
+[[package]]
+name = "sqlx"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9249290c05928352f71c077cc44a464d880c63f26f7534728cca008e135c0428"
+dependencies = [
+ "sqlx-core",
+ "sqlx-macros",
+]
+
+[[package]]
+name = "sqlx-core"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcbc16ddba161afc99e14d1713a453747a2b07fc097d2009f4c300ec99286105"
+dependencies = [
+ "ahash 0.7.6",
+ "atoi",
+ "bitflags",
+ "byteorder",
+ "bytes 1.3.0",
+ "crc",
+ "crossbeam-queue",
+ "dotenvy",
+ "either",
+ "event-listener",
+ "flume",
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-intrusive",
+ "futures-util",
+ "hashlink 0.8.1",
+ "hex",
+ "indexmap",
+ "itoa 1.0.4",
+ "libc",
+ "libsqlite3-sys",
+ "log",
+ "memchr",
+ "once_cell",
+ "paste",
+ "percent-encoding",
+ "rustls 0.20.7",
+ "rustls-pemfile 1.0.1",
+ "serde",
+ "sha2",
+ "smallvec",
+ "sqlformat",
+ "sqlx-rt",
+ "stringprep",
+ "thiserror",
+ "tokio-stream",
+ "url",
+ "webpki-roots 0.22.6",
+]
+
+[[package]]
+name = "sqlx-macros"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b850fa514dc11f2ee85be9d055c512aa866746adfacd1cb42d867d68e6a5b0d9"
+dependencies = [
+ "dotenvy",
+ "either",
+ "heck",
+ "hex",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "sha2",
+ "sqlx-core",
+ "sqlx-rt",
+ "syn",
+ "url",
+]
+
+[[package]]
+name = "sqlx-rt"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24c5b2d25fa654cc5f841750b8e1cdedbe21189bf9a9382ee90bfa9dd3562396"
+dependencies = [
+ "once_cell",
+ "tokio 1.23.0",
+ "tokio-rustls",
+]
+
 [[package]]
 name = "standback"
 version = "0.2.17"
@@ -6572,6 +6733,23 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
+[[package]]
+name = "todo"
+version = "1.0.0"
+dependencies = [
+ "actix-files",
+ "actix-session",
+ "actix-web",
+ "actix-web-lab",
+ "dotenv",
+ "env_logger",
+ "log",
+ "serde",
+ "serde_json",
+ "sqlx",
+ "tera",
+]
+
 [[package]]
 name = "tokio"
 version = "0.2.25"
@@ -7069,6 +7247,12 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fdbf052a0783de01e944a6ce7a8cb939e295b1e7be835a1112c3b9a7f047a5a"
+
 [[package]]
 name = "unicode-width"
 version = "0.1.10"
@@ -7081,6 +7265,12 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
+[[package]]
+name = "unicode_categories"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
+
 [[package]]
 name = "universal-hash"
 version = "0.5.0"
diff --git a/Cargo.toml b/Cargo.toml
index 4aa2ff2..cdf58bb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ members = [
    "basics/nested-routing",
    "basics/state",
    "basics/static-files",
-   # "basics/todo",
+   "basics/todo",
    "cors/backend",
    "data-factory",
    "databases/diesel",