Docker

.dockerignore

@@ -0,0 +1,3 @@
+target
+.env
+Dockerfile

.gitignore

@@ -1,2 +1,3 @@
 /target
-.env
+.env
+docker-compose.prod.yml

Cargo.lock

@@ -169,18 +169,6 @@ version = "0.15.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
 
-[[package]]
-name = "dotenvy_macro"
-version = "0.15.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb0235d912a8c749f4e0c9f18ca253b4c28cfefc1d2518096016d6e3230b6424"
-dependencies = [
- "dotenvy",
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "either"
 version = "1.8.1"
@@ -438,7 +426,6 @@ dependencies = [
  "anyhow",
  "axum",
  "dotenvy",
- "dotenvy_macro",
  "env_logger",
  "log",
  "magick_rust",

Cargo.toml

@@ -3,16 +3,18 @@ edition = "2021"
 name = "liquid-rescale-api"
 version = "0.1.0"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+# This seems redundant, but it's necessary for Docker to work
+[[bin]]
+name = "liquid-rescale-api"
+path = "src/main.rs"
 
 [dependencies]
 anyhow = "1.0.70"
 axum = {version = "0.6", features = ["multipart", "macros"]}
 dotenvy = "0.15.7"
-dotenvy_macro = "0.15.7"
 env_logger = "0.10.0"
 log = "0.4.17"
 magick_rust = "0.17.0"
-serde = { version = "1.0.159", features = ["derive"] }
+serde = {version = "1.0.159", features = ["derive"]}
 serde_json = "1.0.95"
 tokio = {version = "1", features = ["macros", "rt-multi-thread"]}

Dockerfile

@@ -0,0 +1,40 @@
+FROM fedora:38 as build
+ENV PKG_CONFIG_ALLOW_CROSS=1
+
+RUN dnf install -y rust cargo ImageMagick-devel clang --setopt=install_weak_deps=False
+
+ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
+
+WORKDIR /usr/src/liquid-rescale-api
+
+# Download and compile deps
+COPY Cargo.toml .
+COPY Cargo.lock .
+COPY docker_utils/dummy.rs .
+# Change temporarely the path of the code
+RUN sed -i 's|src/main.rs|dummy.rs|' Cargo.toml
+# Build only deps
+RUN cargo build --release
+# Now return the file back to normal
+RUN sed -i 's|dummy.rs|src/main.rs|' Cargo.toml
+
+# Copy everything
+COPY . .
+# Add the wait script
+ADD https://github.com/ufoscout/docker-compose-wait/releases/download/2.2.1/wait /wait
+RUN chmod +x /wait
+# Build our code
+RUN cargo build --release
+
+FROM fedora:38
+
+RUN dnf install -y ImageMagick-devel --setopt=install_weak_deps=False \
+    && dnf clean all \
+    && rm -rf /var/cache/yum
+
+COPY --from=build /usr/src/liquid-rescale-api/target/release/liquid-rescale-api /liquid-rescale-api/liquid-rescale-api
+COPY --from=build /wait /wait
+
+WORKDIR /liquid-rescale-api
+
+CMD /wait && /liquid-rescale-api/liquid-rescale-api

docker-compose.yml

@@ -0,0 +1,13 @@
+version: '3'
+
+services:
+  liquid-rescale-api:
+    container_name: 'liquid-rescale-api'
+    environment:
+      PORT: 3021
+    ports:
+      - 3021:3021
+    build:
+      context: .
+      dockerfile: Dockerfile
+    restart: unless-stopped

docker_utils/dummy.rs

@@ -0,0 +1 @@
+fn main() {}

src/lib.rs

@@ -3,12 +3,10 @@ mod router;
 mod routes;
 mod utilities;
 
-use dotenvy_macro::dotenv;
 use router::create_router;
 use std::net::SocketAddr;
 
-pub async fn run() {
-    let port = dotenv!("PORT");
+pub async fn run(port: String) {
     let app = create_router();
     let address = SocketAddr::from(([0, 0, 0, 0], port.parse().unwrap()));
 

src/main.rs

@@ -5,7 +5,8 @@ use log::info;
 #[tokio::main]
 async fn main() {
     dotenvy::dotenv().ok();
+    let port = dotenvy::var("PORT").unwrap_or("3000".to_string());
     env_logger::Builder::from_env(Env::default().default_filter_or("info")).init();
-    info!("Starting app on {}", dotenvy::var("PORT").unwrap());
-    run().await;
+    info!("Starting app on {}", port);
+    run(port).await;
 }