add initial template... template

.env.example

@@ -1,2 +1,2 @@
-DATABASE=postgresql://postgres:postgres@localhost/postgres
+DATABASE_URL=postgresql://postgres:postgres@localhost/postgres
 PORT=3000

Cargo.lock

@@ -29,6 +29,15 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "allocator-api2"
 version = "0.2.16"
@@ -226,6 +235,16 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "bstr"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c79ad7fb2dd38f3dabd76b09c6a5a20c038fc0213ef1e9afd30eb777f120f019"
+dependencies = [
+ "memchr",
+ "serde",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.14.0"
@@ -269,10 +288,33 @@ dependencies = [
  "iana-time-zone",
  "js-sys",
  "num-traits",
+ "serde",
  "wasm-bindgen",
  "windows-targets",
 ]
 
+[[package]]
+name = "chrono-tz"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1369bc6b9e9a7dfdae2055f6ec151fe9c554a9d23d357c0237cee2e25eaabb7"
+dependencies = [
+ "chrono",
+ "chrono-tz-build",
+ "phf",
+]
+
+[[package]]
+name = "chrono-tz-build"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2f5ebdc942f57ed96d560a6d1a459bae5851102a25d5bf89dc04ae453e31ecf"
+dependencies = [
+ "parse-zoneinfo",
+ "phf",
+ "phf_codegen",
+]
+
 [[package]]
 name = "clap"
 version = "4.4.6"
@@ -395,6 +437,21 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "deunicode"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71dbf1bf89c23e9cd1baf5e654f622872655f195b36588dc9dc38f7eda30758c"
+dependencies = [
+ "deunicode 1.4.1",
+]
+
+[[package]]
+name = "deunicode"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a1abaf4d861455be59f64fd2b55606cb151fce304ede7165f410243ce96bde6"
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -455,6 +512,16 @@ version = "2.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 
+[[package]]
+name = "eyre"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c2b6b5a29c02cdc822728b7d7b8ae1bab3e3b05d44522770ddd49722eeac7eb"
+dependencies = [
+ "indenter",
+ "once_cell",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.0.1"
@@ -592,6 +659,46 @@ version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
 
+[[package]]
+name = "globset"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "759c97c1e17c55525b57192c06a267cda0ac5210b222d6b82189a2338fa1c13d"
+dependencies = [
+ "aho-corasick",
+ "bstr",
+ "fnv",
+ "log",
+ "regex",
+]
+
+[[package]]
+name = "globwalk"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93e3af942408868f6934a7b85134a3230832b9977cf66125df2f9edcfce4ddcc"
+dependencies = [
+ "bitflags 1.3.2",
+ "ignore",
+ "walkdir",
+]
+
+[[package]]
+name = "handlebars"
+version = "4.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c39b3bc2a8f715298032cf5087e58573809374b08160aa7d750582bdb82d2683"
+dependencies = [
+ "log",
+ "pest",
+ "pest_derive",
+ "rust-embed",
+ "serde",
+ "serde_json",
+ "thiserror",
+ "walkdir",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.14.1"
@@ -699,6 +806,15 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
 
+[[package]]
+name = "humansize"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6cb51c9a029ddc91b07a787f1d86b53ccfa49b0e86688c946ebe8d3555685dd7"
+dependencies = [
+ "libm",
+]
+
 [[package]]
 name = "hyper"
 version = "0.14.27"
@@ -755,6 +871,23 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "ignore"
+version = "0.4.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dbe7873dab538a9a44ad79ede1faf5f30d49f9a5c883ddbab48bce81b64b7492"
+dependencies = [
+ "globset",
+ "lazy_static",
+ "log",
+ "memchr",
+ "regex",
+ "same-file",
+ "thread_local",
+ "walkdir",
+ "winapi-util",
+]
+
 [[package]]
 name = "imgboard"
 version = "0.1.0"
@@ -763,14 +896,24 @@ dependencies = [
  "chrono",
  "clap",
  "dotenvy",
+ "eyre",
+ "handlebars",
+ "rust-embed",
  "serde",
  "sqlx",
+ "tera",
  "tokio",
  "tower-http",
  "tracing",
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "indenter"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce23b50ad8242c51a442f3ff322d56b02f08852c77e4c0b4d3fd684abc89c683"
+
 [[package]]
 name = "indexmap"
 version = "2.0.2"
@@ -1035,6 +1178,15 @@ dependencies = [
  "windows-targets",
 ]
 
+[[package]]
+name = "parse-zoneinfo"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c705f256449c60da65e11ff6626e0c16a0a0b96aaa348de61376b249bc340f41"
+dependencies = [
+ "regex",
+]
+
 [[package]]
 name = "paste"
 version = "1.0.14"
@@ -1056,6 +1208,89 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b2a4787296e9989611394c33f193f676704af1686e70b8f8033ab5ba9a35a94"
 
+[[package]]
+name = "pest"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c022f1e7b65d6a24c0dbbd5fb344c66881bc01f3e5ae74a1c8100f2f985d98a4"
+dependencies = [
+ "memchr",
+ "thiserror",
+ "ucd-trie",
+]
+
+[[package]]
+name = "pest_derive"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35513f630d46400a977c4cb58f78e1bfbe01434316e60c37d27b9ad6139c66d8"
+dependencies = [
+ "pest",
+ "pest_generator",
+]
+
+[[package]]
+name = "pest_generator"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc9fc1b9e7057baba189b5c626e2d6f40681ae5b6eb064dc7c7834101ec8123a"
+dependencies = [
+ "pest",
+ "pest_meta",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.38",
+]
+
+[[package]]
+name = "pest_meta"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1df74e9e7ec4053ceb980e7c0c8bd3594e977fde1af91daba9c928e8e8c6708d"
+dependencies = [
+ "once_cell",
+ "pest",
+ "sha2",
+]
+
+[[package]]
+name = "phf"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ade2d8b8f33c7333b51bcf0428d37e217e9f32192ae4772156f65063b8ce03dc"
+dependencies = [
+ "phf_shared",
+]
+
+[[package]]
+name = "phf_codegen"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8d39688d359e6b34654d328e262234662d16cc0f60ec8dcbe5e718709342a5a"
+dependencies = [
+ "phf_generator",
+ "phf_shared",
+]
+
+[[package]]
+name = "phf_generator"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48e4cc64c2ad9ebe670cb8fd69dd50ae301650392e81c05f9bfcb2d5bdbc24b0"
+dependencies = [
+ "phf_shared",
+ "rand",
+]
+
+[[package]]
+name = "phf_shared"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90fcb95eef784c2ac79119d1dd819e162b5da872ce6f3c3abe1e8ca1c082f72b"
+dependencies = [
+ "siphasher",
+]
+
 [[package]]
 name = "pin-project"
 version = "1.1.3"
@@ -1187,6 +1422,35 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "regex"
+version = "1.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
+
 [[package]]
 name = "ring"
 version = "0.16.20"
@@ -1224,6 +1488,41 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "rust-embed"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1e7d90385b59f0a6bf3d3b757f3ca4ece2048265d70db20a2016043d4509a40"
+dependencies = [
+ "rust-embed-impl",
+ "rust-embed-utils",
+ "walkdir",
+]
+
+[[package]]
+name = "rust-embed-impl"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c3d8c6fd84090ae348e63a84336b112b5c3918b3bf0493a581f7bd8ee623c29"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "rust-embed-utils",
+ "syn 2.0.38",
+ "walkdir",
+]
+
+[[package]]
+name = "rust-embed-utils"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "873feff8cb7bf86fdf0a71bb21c95159f4e4a37dd7a4bd1855a940909b583ada"
+dependencies = [
+ "globset",
+ "sha2",
+ "walkdir",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@@ -1285,6 +1584,15 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
 
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -1395,6 +1703,12 @@ dependencies = [
  "rand_core",
 ]
 
+[[package]]
+name = "siphasher"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38b58827f4464d87d377d175e90bf58eb00fd8716ff0a62f80356b5e61555d0d"
+
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -1404,6 +1718,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "slug"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3bc762e6a4b6c6fcaade73e77f9ebc6991b676f88bb2358bddb56560f073373"
+dependencies = [
+ "deunicode 0.4.5",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.11.1"
@@ -1732,6 +2055,28 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "tera"
+version = "1.19.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "970dff17c11e884a4a09bc76e3a17ef71e01bb13447a11e85226e254fe6d10b8"
+dependencies = [
+ "chrono",
+ "chrono-tz",
+ "globwalk",
+ "humansize",
+ "lazy_static",
+ "percent-encoding",
+ "pest",
+ "pest_derive",
+ "rand",
+ "regex",
+ "serde",
+ "serde_json",
+ "slug",
+ "unic-segment",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.49"
@@ -1933,6 +2278,62 @@ version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
+[[package]]
+name = "ucd-trie"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed646292ffc8188ef8ea4d1e0e0150fb15a5c2e12ad9b8fc191ae7a8a7f3c4b9"
+
+[[package]]
+name = "unic-char-property"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8c57a407d9b6fa02b4795eb81c5b6652060a15a7903ea981f3d723e6c0be221"
+dependencies = [
+ "unic-char-range",
+]
+
+[[package]]
+name = "unic-char-range"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0398022d5f700414f6b899e10b8348231abf9173fa93144cbc1a43b9793c1fbc"
+
+[[package]]
+name = "unic-common"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d7ff825a6a654ee85a63e80f92f054f904f21e7d12da4e22f9834a4aaa35bc"
+
+[[package]]
+name = "unic-segment"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4ed5d26be57f84f176157270c112ef57b86debac9cd21daaabbe56db0f88f23"
+dependencies = [
+ "unic-ucd-segment",
+]
+
+[[package]]
+name = "unic-ucd-segment"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2079c122a62205b421f499da10f3ee0f7697f012f55b675e002483c73ea34700"
+dependencies = [
+ "unic-char-property",
+ "unic-char-range",
+ "unic-ucd-version",
+]
+
+[[package]]
+name = "unic-ucd-version"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96bd2f2237fe450fcd0a1d2f5f4e91711124f7857ba2e964247776ebeeb7b0c4"
+dependencies = [
+ "unic-common",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.13"
@@ -2007,6 +2408,16 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "walkdir"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71d857dc86794ca4c280d616f7da00d2dbfd8cd788846559a6813e6aa4b54ee"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
 [[package]]
 name = "want"
 version = "0.3.1"
@@ -2117,6 +2528,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"

Cargo.toml

@@ -7,11 +7,15 @@ edition = "2021"
 
 [dependencies]
 axum = { version = "0.6.20", features = ["tracing"] }
-chrono = "0.4.31"
+chrono = { version = "0.4.31", features = ["serde"] }
 clap = { version = "4.4.6", features = ["derive", "env"] }
 dotenvy = "0.15.7"
+eyre = "0.6.8"
+handlebars = { version = "4.4.0", features = ["rust-embed", "dir_source"] }
+rust-embed = "8.0.0"
 serde = { version = "1.0.189", features = ["derive"] }
 sqlx = { version = "0.7.2", features = ["runtime-tokio", "tls-rustls", "postgres", "macros", "migrate", "chrono"] }
+tera = "1.19.1"
 tokio = { version = "1.33.0", features = ["macros", "rt-multi-thread"] }
 tower-http = { version = "0.4.4", features = ["trace"] }
 tracing = "0.1.39"

migrations/20231018134946_init.sql

@@ -1,4 +1,3 @@
--- Add migration script here
 CREATE TABLE users (
     id       SERIAL PRIMARY KEY,
     username TEXT NOT NULL UNIQUE,
@@ -23,5 +22,5 @@ CREATE TABLE posts (
 CREATE TABLE tags (
     id          SERIAL PRIMARY KEY,
     name        TEXT NOT NULL UNIQUE,
-    description TEXT NOT NULL,
+    description TEXT NOT NULL
 );

src/config.rs

@@ -3,7 +3,9 @@ use clap::Parser;
 #[derive(Debug, Parser)]
 pub struct Config {
     #[arg(long, env)]
-    pub database: String,
+    pub database_url: String,
-    #[arg(long, env)]
+    #[arg(long, env, default_value_t = 3000)]
     pub port: u16,
+    #[arg(long, env, default_value_t = false)]
+    pub dev_mode: bool,
 }

src/main.rs

@@ -1,21 +1,28 @@
 pub mod config;
-pub mod state;
 pub mod model;
+pub mod state;
+pub mod templates;
 
-use std::net::{SocketAddr, IpAddr, Ipv4Addr};
+use std::net::{IpAddr, Ipv4Addr, SocketAddr};
 use std::sync::Arc;
 
+use axum::extract::State;
+use axum::http::{header, StatusCode};
+use axum::response::IntoResponse;
 use axum::{routing::get, Router};
 use clap::Parser;
+use eyre::{Result, WrapErr};
+use sqlx::migrate;
 use sqlx::postgres::PgPoolOptions;
 use tower_http::trace::TraceLayer;
 use tracing::{debug, error, info};
 
 use crate::config::Config;
 use crate::state::AppState;
+use crate::templates::handlebars;
 
 #[tokio::main]
-async fn main() {
+async fn main() -> Result<()> {
     dotenvy::dotenv().ok();
 
     tracing_subscriber::fmt()
@@ -26,20 +33,24 @@ async fn main() {
 
     let config = Config::parse();
 
-    let pool = match PgPoolOptions::new()
+    let hbs = handlebars(config.dev_mode)?;
-        .max_connections(500)
-        .connect(&config.database)
-        .await {
-            Ok(pool) => pool,
-            Err(err) => return error!("Initializing database: {}", err)
-        };
 
-    let state = Arc::new(AppState { pool });
+    debug!("Initializing database");
+
+    let pool = PgPoolOptions::new()
+        .max_connections(500)
+        .connect(&config.database_url)
+        .await
+        .wrap_err("creating database pool")?;
+
+    migrate!().run(&pool).await.wrap_err("running migrations")?;
+
+    let state = Arc::new(AppState { pool, hbs });
 
     debug!("Building router");
 
     let app = Router::new()
-        .route("/", get(|| async { "Hello, World!" }))
+        .route("/", get(index))
         .layer(TraceLayer::new_for_http())
         .with_state(state);
 
@@ -49,5 +60,17 @@ async fn main() {
     axum::Server::bind(&socket)
         .serve(app.into_make_service())
         .await
-        .unwrap();
+        .wrap_err("running server")
+}
+
+async fn index(State(state): State<Arc<AppState>>) -> impl IntoResponse {
+    let out = match state.hbs.render("root.hbs", &16) {
+        Ok(s) => s,
+        Err(err) => {
+            error!("Rendering index page: {}", err);
+            return (StatusCode::INTERNAL_SERVER_ERROR, "Internal server error").into_response();
+        }
+    };
+
+    return ([(header::CONTENT_TYPE, "text/html")], out).into_response();
 }

src/model/post.rs

@@ -1,5 +1,7 @@
-use sqlx::types::chrono::{DateTime, Utc};
+use chrono::{DateTime, Utc};
+use serde::Serialize;
 
+#[derive(Debug, Serialize)]
 pub struct Post {
     pub id: i32,
     pub tags: String,

src/model/tag.rs

@@ -1,3 +1,6 @@
+use serde::Serialize;
+
+#[derive(Debug, Serialize)]
 pub struct Tag {
     pub id: i32,
     pub name: String,

src/model/user.rs

@@ -1,5 +1,7 @@
-use sqlx::types::chrono::{DateTime, Utc};
+use chrono::{DateTime, Utc};
+use serde::Serialize;
 
+#[derive(Debug, Serialize)]
 pub struct User {
     pub id: i32,
     pub username: String,

src/state.rs

@@ -2,4 +2,5 @@ use sqlx::{postgres::Postgres, Pool};
 
 pub struct AppState {
     pub pool: Pool<Postgres>,
+    pub hbs: handlebars::Handlebars<'static>,
 }

src/templates.rs

@@ -0,0 +1,25 @@
+use eyre::{Context, Result};
+use handlebars::Handlebars;
+use rust_embed::RustEmbed;
+use tracing::info;
+
+#[derive(RustEmbed)]
+#[folder = "templates/"]
+struct Templates;
+
+pub fn handlebars(dev_mode: bool) -> Result<Handlebars<'static>> {
+    let mut hbs = Handlebars::new();
+
+    if dev_mode {
+        info!("Reading templates from file system, as dev mode is enabled");
+
+        hbs.set_dev_mode(true);
+        hbs.register_templates_directory("", "templates/")
+            .wrap_err("registering templates from directory")?;
+    } else {
+        hbs.register_embed_templates::<Templates>()
+            .wrap_err("registering templates from embed")?;
+    }
+
+    Ok(hbs)
+}

templates/root.hbs

@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>imgboard</title>
+</head>
+<body>
+    <h1>Hello world!!!</h1>
+</body>
+</html>