Spawn an axum server

Concurrently spawn an axum server, which is not doing much yet, in
order to prepare for the creation, etc. of reminders.

Cargo.lock

@@ -8,6 +8,17 @@ version = "1.0.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2cb2f989d18dd141ab8ae82f64d1a8cdd37e0840f73a406896cf5e99502fab61"
 
+[[package]]
+name = "async-trait"
+version = "0.1.63"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eff18d764974428cf3a9328e23fc5c986f5fbed46e6cd4cdf42544df5d297ec1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -15,10 +26,60 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
-name = "base64"
+name = "axum"
-version = "0.13.1"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+checksum = "e5694b64066a2459918d8074c2ce0d5a88f409431994c2356617c8ae0c4721fc"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bitflags",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "serde_json",
+ "serde_path_to_error",
+ "serde_urlencoded",
+ "sync_wrapper",
+ "tokio",
+ "tower",
+ "tower-http",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cae3e661676ffbacb30f1a824089a8c9150e71017f7e1e38f2aa32009188d34"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "mime",
+ "rustversion",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "base64"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4a4ddaa51a5bc52a6948f74c06d20aaaddb71924eab79b8c97a8c556e942d6a"
 
 [[package]]
 name = "bitflags"
@@ -33,10 +94,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
-name = "cc"
+name = "bytes"
-version = "1.0.78"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a20104e2335ce8a659d6dd92a51a767a0c062599c73b343fd152cb401e828c3d"
+checksum = "dfb24e866b15a1af2a1b663f10c6b6b8f397a84aadb828f12e5b289ec23a3a3c"
+
+[[package]]
+name = "cc"
+version = "1.0.79"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
 
 [[package]]
 name = "cfg-if"
@@ -46,9 +113,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "4.1.3"
+version = "4.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8d93d855ce6a0aa87b8473ef9169482f40abaa2e9e0993024c35c902cbd5920"
+checksum = "f13b9c79b5d1dd500d20ef541215a6423c75829ef43117e1b4d17fd8af0b5d76"
 dependencies = [
  "bitflags",
  "clap_derive",
@@ -99,9 +166,9 @@ checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
 [[package]]
 name = "diesel"
-version = "2.0.2"
+version = "2.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68c186a7418a2aac330bb76cde82f16c36b03a66fb91db32d20214311f9f6545"
+checksum = "4391a22b19c916e50bec4d6140f29bdda3e3bb187223fe6e3ea0b6e4d1021c04"
 dependencies = [
  "bitflags",
  "byteorder",
@@ -146,9 +213,9 @@ dependencies = [
 
 [[package]]
 name = "email-encoding"
-version = "0.1.3"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34dd14c63662e0206599796cd5e1ad0268ab2b9d19b868d6050d688eba2bbf98"
+checksum = "dbfb21b9878cf7a348dcb8559109aabc0ec40d69924bd706fa5149846c4fef75"
 dependencies = [
  "base64",
  "memchr",
@@ -190,6 +257,12 @@ dependencies = [
  "instant",
 ]
 
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
 [[package]]
 name = "foreign-types"
 version = "0.3.2"
@@ -205,6 +278,24 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
+[[package]]
+name = "form_urlencoded"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9c384f161156f5260c24a097c56119f9be8c798586aecc13afbcbe7b7e26bf8"
+dependencies = [
+ "percent-encoding",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52ba265a92256105f45b719605a571ffe2d1f0fea3807304b522c1d778f79eed"
+dependencies = [
+ "futures-core",
+]
+
 [[package]]
 name = "futures-core"
 version = "0.3.25"
@@ -281,6 +372,40 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "http"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75f43d41e26995c17e71ee126451dd3941010b0514a81a9d11f3b341debc2399"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
+[[package]]
+name = "http-body"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
+dependencies = [
+ "bytes",
+ "http",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "http-range-header"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bfe8eed0a9285ef776bb792479ea3834e8b94e13d615c2f66d03dd50a435a29"
+
+[[package]]
+name = "httparse"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904"
+
 [[package]]
 name = "httpdate"
 version = "1.0.2"
@@ -288,12 +413,34 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421"
 
 [[package]]
-name = "idna"
+name = "hyper"
-version = "0.2.3"
+version = "0.14.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8"
+checksum = "034711faac9d2166cb1baf1a2fb0b60b1f277f8492fd72176c17f3515e1abd3c"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project-lite",
+ "socket2",
+ "tokio",
+ "tower-service",
+ "tracing",
+ "want",
+]
+
+[[package]]
+name = "idna"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e14ddfc70884202db2244c223200c204c2bda1bc6e0998d11b5e024d657209e6"
 dependencies = [
- "matches",
  "unicode-bidi",
  "unicode-normalization",
 ]
@@ -353,9 +500,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "lettre"
-version = "0.10.1"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eabca5e0b4d0e98e7f2243fb5b7520b6af2b65d8f87bcc86f2c75185a6ff243"
+checksum = "dd84a055407850bcf4791baa77cb4818d37cbb79ad4e60b9b659727b920d2c65"
 dependencies = [
  "base64",
  "email-encoding",
@@ -371,6 +518,7 @@ dependencies = [
  "once_cell",
  "quoted_printable",
  "socket2",
+ "tokio",
  "tracing",
 ]
 
@@ -412,10 +560,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ffbee8634e0d45d258acb448e7eaab3fce7a0a467395d4d9f228e3c1f01fb2e4"
 
 [[package]]
-name = "matches"
+name = "matchit"
-version = "0.1.10"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2532096657941c2fea9c289d370a250971c689d4f143798ff67113ec042024a5"
+checksum = "b87248edafb776e59e6ee64a79086f65890d3510f2c656c000bf2a7e8a0aea40"
 
 [[package]]
 name = "memchr"
@@ -435,6 +583,18 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
+[[package]]
+name = "mio"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5d732bc30207a6423068df043e3d02e0735b155ad7ce1a6f76fe2baa5b158de"
+dependencies = [
+ "libc",
+ "log",
+ "wasi",
+ "windows-sys",
+]
+
 [[package]]
 name = "native-tls"
 version = "0.2.11"
@@ -482,6 +642,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "num_cpus"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fac9e2da13b5eb447a6ce3d392f23a29d8694bff781bf03a16cd9ac8697593b"
+dependencies = [
+ "hermit-abi",
+ "libc",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.17.0"
@@ -568,6 +738,32 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "percent-encoding"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
+
+[[package]]
+name = "pin-project"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad29a609b6bcd67fee905812e544992d216af9d755757c05ed2d0e15a74c6ecc"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "069bdb1e05adc7a8990dce9cc75370895fbe4e3d58b9b73bf1aee56359344a55"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.9"
@@ -697,6 +893,18 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5583e89e108996506031660fe09baa5011b9dd0341b89029313006d1fb508d70"
+
+[[package]]
+name = "ryu"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde"
+
 [[package]]
 name = "schannel"
 version = "0.1.21"
@@ -723,9 +931,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "security-framework"
-version = "2.8.0"
+version = "2.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "645926f31b250a2dca3c232496c2d898d91036e45ca0e97e0e2390c54e11be36"
+checksum = "a332be01508d814fed64bf28f798a146d73792121129962fdf335bb3c49a4254"
 dependencies = [
  "bitflags",
  "core-foundation",
@@ -764,6 +972,26 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.91"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877c235533714907a8c2464236f5c4b2a17262ef1bd71f38f35ea592c8da6883"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "serde_path_to_error"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26b04f22b563c91331a10074bda3dd5492e3cc39d56bd557e91c0af42b6c7341"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_spanned"
 version = "0.6.0"
@@ -773,6 +1001,18 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_urlencoded"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.4"
@@ -782,6 +1022,15 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e51e73328dc4ac0c7ccbda3a494dfa03df1de2f46018127f60c693f2648455b0"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.7"
@@ -824,6 +1073,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20518fe4a4c9acf048008599e464deb21beeae3d3578418951a189c235a7a9a8"
+
 [[package]]
 name = "tempfile"
 version = "3.3.0"
@@ -918,6 +1173,37 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
+[[package]]
+name = "tokio"
+version = "1.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8e00990ebabbe4c14c08aca901caed183ecd5c09562a12c824bb53d3c3fd3af"
+dependencies = [
+ "autocfg",
+ "bytes",
+ "libc",
+ "memchr",
+ "mio",
+ "num_cpus",
+ "parking_lot",
+ "pin-project-lite",
+ "signal-hook-registry",
+ "socket2",
+ "tokio-macros",
+ "windows-sys",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "1.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d266c00fde287f55d3f1c3e96c500c362a2b8c695076ec180f27918820bc6df8"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "toml"
 version = "0.6.0"
@@ -941,9 +1227,9 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.18.0"
+version = "0.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "729bfd096e40da9c001f778f5cdecbd2957929a24e10e5883d9392220a751581"
+checksum = "56c59d8dd7d0dcbc6428bf7aa2f0e823e26e43b3c9aca15bbc9475d23e5fa12b"
 dependencies = [
  "indexmap",
  "nom8",
@@ -952,6 +1238,54 @@ dependencies = [
  "toml_datetime",
 ]
 
+[[package]]
+name = "tower"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "pin-project",
+ "pin-project-lite",
+ "tokio",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tower-http"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f873044bf02dd1e8239e9c1293ea39dad76dc594ec16185d0a1bf31d8dc8d858"
+dependencies = [
+ "bitflags",
+ "bytes",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-range-header",
+ "pin-project-lite",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tower-layer"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c20c8dbed6283a09604c3e69b4b7eeb54e298b8a600d4d5ecb5ad39de609f1d0"
+
+[[package]]
+name = "tower-service"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
+
 [[package]]
 name = "tracing"
 version = "0.1.37"
@@ -959,6 +1293,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"
 dependencies = [
  "cfg-if",
+ "log",
  "pin-project-lite",
  "tracing-attributes",
  "tracing-core",
@@ -1010,6 +1345,12 @@ dependencies = [
  "tracing-log",
 ]
 
+[[package]]
+name = "try-lock"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.10"
@@ -1049,6 +1390,16 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "want"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
+dependencies = [
+ "log",
+ "try-lock",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -1060,12 +1411,16 @@ name = "whakarite"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "axum",
  "clap",
  "diesel",
  "lettre",
  "serde",
  "time",
+ "tokio",
  "toml",
+ "tower",
+ "tower-http",
  "tracing",
  "tracing-subscriber",
  "xdg",

Cargo.toml

@@ -20,3 +20,7 @@ serde = { version = "1", features = ["derive"] }
 toml = "0.6"
 clap = { version = "4", features = ["derive"] }
 xdg = "2"
+tokio = { version = "1", features = ["full"] }
+axum = "0.6"
+tower = { version = "0.4", features = ["util"] }
+tower-http = { version = "0.3", features = ["trace"] }

config.toml

@@ -4,3 +4,7 @@
 # name = "whakarite"
 # user = "whakarite"
 pass = "whakarite"
+
+# [server]
+# address = "::1"
+# port = 8080

src/config.rs

@@ -1,21 +1,25 @@
-use anyhow::{bail, Result};
+use anyhow::{bail, Error, Result};
 use serde::Deserialize;
-use std::{env, fs, path::PathBuf};
+use std::{
-use tracing::{error, info, trace};
+    env, fs,
+    net::{IpAddr, Ipv6Addr},
+    path::PathBuf,
+};
+use tracing::{error, info, trace, warn};
 
-fn default_host() -> String {
+fn default_database_host() -> String {
     "localhost".to_string()
 }
 
-const fn default_port() -> u16 {
+const fn default_database_port() -> u16 {
     5432
 }
 
-fn default_name() -> String {
+fn default_database_name() -> String {
     "whakarite".to_string()
 }
 
-fn default_user() -> String {
+fn default_database_user() -> String {
     "whakarite".to_string()
 }
 
@@ -23,68 +27,105 @@ fn default_user() -> String {
 #[serde(deny_unknown_fields)]
 pub struct Database {
     /// Host of the database
-    #[serde(default = "default_host")]
+    #[serde(default = "default_database_host")]
     pub host: String,
 
     /// Port of the database
-    #[serde(default = "default_port")]
+    #[serde(default = "default_database_port")]
     pub port: u16,
 
     /// Name of the database
-    #[serde(default = "default_name")]
+    #[serde(default = "default_database_name")]
     pub name: String,
 
     /// Name of the user to connect to the database
-    #[serde(default = "default_user")]
+    #[serde(default = "default_database_user")]
     pub user: String,
 
     /// Password of the user to connect to the database
     pub pass: String,
 }
 
+const fn default_server_address() -> IpAddr {
+    IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1))
+}
+
+const fn default_server_port() -> u16 {
+    8080
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(deny_unknown_fields)]
+pub struct Server {
+    /// Listening address of the server
+    #[serde(default = "default_server_address")]
+    pub address: IpAddr,
+
+    /// Port of the database
+    #[serde(default = "default_server_port")]
+    pub port: u16,
+}
+
+impl Default for Server {
+    fn default() -> Self {
+        Self {
+            address: default_server_address(),
+            port: default_server_port(),
+        }
+    }
+}
+
 #[derive(Debug, Deserialize)]
 #[serde(deny_unknown_fields)]
 pub struct Config {
     /// Database configuration
     pub database: Database,
+
+    /// server configuration
+    #[serde(default)]
+    pub server: Server,
 }
 
 impl Config {
-    fn try_paths() -> Result<(PathBuf, String)> {
+    fn load_file(file: &PathBuf) -> Result<Self> {
-        let file = "config.toml";
         info!(?file, "loading configuration");
-        if let Ok(config) = fs::read_to_string(&file) {
+        let config = toml::from_str(&fs::read_to_string(file)?)?;
-            return Ok((file.into(), config));
+        trace!(?file, ?config, "loaded configuration");
+        Ok(config)
     }
 
-        let user_file =
+    #[allow(clippy::cognitive_complexity)]
+    fn try_paths() -> Result<Self> {
+        let file = "config.toml";
+        match Self::load_file(&file.into()) {
+            Ok(config) => return Ok(config),
+            Err(error) => warn!(?file, "cannot load configuration: {:#}", Error::msg(error)),
+        }
+
+        let user_config =
             xdg::BaseDirectories::with_prefix(env!("CARGO_BIN_NAME"))?.get_config_file(file);
-        info!(file = ?user_file, "loading configuration");
+        match Self::load_file(&user_config) {
-        if let Ok(config) = fs::read_to_string(&user_file) {
+            Ok(config) => return Ok(config),
-            return Ok((user_file, config));
+            Err(error) => warn!(file = ?user_config, "cannot load configuration: {:#}", Error::msg(error)),
         }
 
-        let global_file = format!("/etc/{}/{}", env!("CARGO_BIN_NAME"), file);
+        let global_config = format!("/etc/{}/{}", env!("CARGO_BIN_NAME"), file);
-        info!(file = ?global_file, "loading configuration");
+        match Self::load_file(&global_config.clone().into()) {
-        if let Ok(config) = fs::read_to_string(&global_file) {
+            Ok(config) => return Ok(config),
-            return Ok((global_file.into(), config));
+            Err(error) => {
+                warn!(file = ?global_config, "cannot load configuration: {:#}", Error::msg(error));
+            }
         }
 
-        error!("no configuration file found");
+        error!("no valid configuration file found");
-        bail!("no configuration file found");
+        bail!("no valid configuration file found");
     }
 
     pub fn load_config(file: Option<PathBuf>) -> Result<Self> {
         if let Some(file) = file {
-            info!(?file, "loading configuration");
+            Ok(Self::load_file(&file)?)
-            let config: Config = toml::from_str(&fs::read_to_string(&file)?)?;
-            trace!(?file, ?config, "loaded configuration");
-            Ok(config)
         } else {
-            let (file, config) = Self::try_paths()?;
+            Ok(Self::try_paths()?)
-            let config = toml::from_str(&config)?;
-            trace!(?file, ?config, "loaded configuration");
-            Ok(config)
         }
     }
 }

src/main.rs

@@ -1,12 +1,15 @@
 use anyhow::Result;
+use axum::{http::StatusCode, response::IntoResponse, Router};
 use clap::Parser;
 use diesel::{
     prelude::*,
     r2d2::{ConnectionManager, Pool, PooledConnection},
 };
 use lettre::{Message, SmtpTransport, Transport};
-use std::{env, thread::park_timeout};
+use std::{env, net::SocketAddr};
 use time::{Duration, OffsetDateTime};
+use tower::ServiceBuilder;
+use tower_http::trace::TraceLayer;
 use tracing::{debug, info, trace};
 
 mod args;
@@ -24,11 +27,16 @@ fn remind(
 ) -> Result<()> {
     info!("checking for reminders");
 
-    for reminder in schema::reminders::dsl::reminders
+    let result = schema::reminders::dsl::reminders
         .filter(schema::reminders::executed.is_null())
         .order(schema::reminders::planned.asc())
-        .load::<Reminder>(db)?
+        .load::<Reminder>(db)?;
-    {
+
+    if result.is_empty() {
+        info!("no reminders present, parking indefinitely");
+        std::thread::park();
+    } else {
+        for reminder in result {
             trace!(?reminder, "checking reminder");
             if reminder.planned <= OffsetDateTime::now_utc() {
                 let email = Message::builder()
@@ -48,15 +56,22 @@ fn remind(
                 let duration = reminder.planned - OffsetDateTime::now_utc();
                 info!(?duration, "parking reminder");
 
-            park_timeout(<std::time::Duration>::try_from(duration)?);
+                std::thread::park_timeout(<std::time::Duration>::try_from(duration)?);
+                return Ok(());
+            }
         }
-        // Check for another remind job if none dont loop forever
     }
 
     Ok(())
 }
 
-fn main() -> Result<()> {
+#[allow(clippy::unused_async)]
+async fn not_found() -> impl IntoResponse {
+    (StatusCode::NOT_FOUND, "Page not found")
+}
+
+#[tokio::main]
+async fn main() -> Result<()> {
     let args = Args::parse();
 
     if env::var("RUST_LOG").is_err() {
@@ -93,9 +108,25 @@ fn main() -> Result<()> {
         .values(&test_reminder)
         .execute(&mut db_pool.get()?)?;
 
+    std::thread::spawn(move || {
         let mailer = SmtpTransport::unencrypted_localhost();
 
         loop {
-        remind(&mut db_pool.get()?, &mailer)?;
+            remind(&mut db_pool.get().unwrap(), &mailer).unwrap();
         }
+    });
+
+    let app = Router::new()
+        .layer(ServiceBuilder::new().layer(TraceLayer::new_for_http()))
+        .fallback(not_found);
+
+    let addr = SocketAddr::from((config.server.address, config.server.port));
+
+    info!("{} listening on {}", env!("CARGO_PKG_NAME"), addr);
+
+    axum::Server::bind(&addr)
+        .serve(app.into_make_service())
+        .await?;
+
+    Ok(())
 }