add dockerfile

.dockerignore

@@ -0,0 +1,4 @@
+.git/
+.env
+target
+.DS_Store

Cargo.lock

@@ -871,6 +871,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "diesel_migrations"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a73ce704bad4231f001bff3314d91dce4aba0770cee8b233991859abc15c1f6"
+dependencies = [
+ "diesel",
+ "migrations_internals",
+ "migrations_macros",
+]
+
 [[package]]
 name = "diesel_table_macro_syntax"
 version = "0.2.0"
@@ -1783,6 +1794,27 @@ version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "migrations_internals"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd01039851e82f8799046eabbb354056283fb265c8ec0996af940f4e85a380ff"
+dependencies = [
+ "serde",
+ "toml",
+]
+
+[[package]]
+name = "migrations_macros"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffb161cc72176cb37aa47f1fc520d3ef02263d67d661f44f05d05a079e1237fd"
+dependencies = [
+ "migrations_internals",
+ "proc-macro2",
+ "quote",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -2602,6 +2634,7 @@ dependencies = [
  "console_error_panic_hook",
  "deadpool-diesel",
  "diesel",
+ "diesel_migrations",
  "dotenvy",
  "futures",
  "lettre",

Cargo.toml

@@ -33,3 +33,4 @@ tower = "0.5.2"
 regex = "1.11.1"
 lettre = { version = "0.11.12", features = ["tokio1", "serde", "tracing", "tokio1-native-tls"] }
 clap = { version = "4.5.31", features = ["derive"] }
+diesel_migrations = { version = "2.2.0", features = ["postgres"] }

Dockerfile

@@ -0,0 +1,22 @@
+FROM lukemathwalker/cargo-chef:latest-rust-1.85.0 AS chef
+WORKDIR /app
+
+FROM chef AS planner
+COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
+
+FROM chef AS builder
+COPY --from=planner /app/recipe.json recipe.json
+# Build dependencies - this is the caching Docker layer!
+RUN cargo chef cook --release --recipe-path recipe.json
+# Build application
+COPY . .
+RUN cargo build --release --bin shoutdotdev
+
+# We do not need the Rust toolchain to run the binary!
+FROM debian:bookworm-slim AS runtime
+RUN apt-get update && apt-get install -y libpq-dev
+WORKDIR /app
+COPY --from=builder /app/target/release/shoutdotdev /usr/local/bin
+COPY ./static ./static
+ENTRYPOINT ["/usr/local/bin/shoutdotdev"]

example.env

@@ -6,6 +6,8 @@ AUTH.REDIRECT_URL=http://localhost:3000/auth/callback
 AUTH.AUTH_URL=https://example.com/authorize
 AUTH.TOKEN_URL=https://example.com/token
 AUTH.USERINFO_URL=https://example.com/userinfo
+# The .env parser (dotenvy) requires quotes around any value with spaces. Note
+# that in this regard it is incompatible with Docker's --env-file parser.
 EMAIL.VERIFICATION_FROM=no-reply@shout.dev
 EMAIL.MESSAGE_FROM=no-reply@shout.dev
 EMAIL.SMTP.SERVER=smtp.example.com

src/main.rs

@@ -25,6 +25,7 @@ use std::process::exit;
 
 use chrono::{TimeDelta, Utc};
 use clap::{Parser, Subcommand};
+use diesel_migrations::{embed_migrations, EmbeddedMigrations, MigrationHarness};
 use email::SmtpOptions;
 use tokio::time::sleep;
 use tracing_subscriber::EnvFilter;
@@ -57,12 +58,12 @@ enum Commands {
 
 #[tokio::main]
 async fn main() {
-    let settings = Settings::load().unwrap();
-
     tracing_subscriber::fmt()
         .with_env_filter(EnvFilter::from_default_env())
         .init();
 
+    let settings = Settings::load().unwrap();
+
     let cli = Cli::parse();
 
     let database_url = settings.database_url.clone();
@@ -71,6 +72,7 @@ async fn main() {
     let db_pool = deadpool_diesel::postgres::Pool::builder(manager)
         .build()
         .unwrap();
+
     let session_store = PgStore::new(db_pool.clone());
     let reqwest_client = reqwest::ClientBuilder::new()
         .https_only(true)
@@ -94,6 +96,16 @@ async fn main() {
         exit(1);
     };
 
+    if settings.run_database_migrations == Some(1) {
+        const MIGRATIONS: EmbeddedMigrations = embed_migrations!("migrations/");
+        // Run migrations on server startup
+        let conn = db_pool.get().await.unwrap();
+        conn.interact(|conn| conn.run_pending_migrations(MIGRATIONS).map(|_| ()))
+            .await
+            .unwrap()
+            .unwrap();
+    }
+
     let app_state = AppState {
         db_pool: db_pool.clone(),
         mailer,

src/settings.rs

@@ -1,3 +1,4 @@
+use anyhow::{Context as _, Result};
 use axum::extract::FromRef;
 use config::{Config, ConfigError, Environment};
 use dotenvy::dotenv;
@@ -12,6 +13,11 @@ pub struct Settings {
 
     pub database_url: String,
 
+    /**
+     * When set to 1, embedded Diesel migrations will be run on startup.
+     */
+    pub run_database_migrations: Option<u8>,
+
     #[serde(default = "default_host")]
     pub host: String,
 
@@ -78,14 +84,29 @@ pub struct SlackSettings {
 }
 
 impl Settings {
-    pub fn load() -> Result<Self, ConfigError> {
-        if let Err(err) = dotenv() {
-            tracing::warn!("Couldn't load .env file: {:?}", err);
+    pub fn load() -> Result<Self> {
+        match dotenv() {
+            Err(err) => {
+                if err.not_found() {
+                    tracing::info!("no .env file found");
+                } else {
+                    return Err(err).context("dotenvy error");
+                }
+            }
+            Ok(pathbuf) => {
+                tracing::info!(
+                    "using env file {}",
+                    pathbuf
+                        .to_str()
+                        .ok_or(anyhow::anyhow!("pathbuf is not valid unicode"))?
+                );
+            }
         }
         let s = Config::builder()
             .add_source(Environment::default())
-            .build()?;
-        s.try_deserialize()
+            .build()
+            .context("config error")?;
+        Ok(s.try_deserialize().context("deserialize error")?)
     }
 }