chore: add docker compose

.dockerignore

@@ -0,0 +1,6 @@
+.env
+target/
+tests/
+Dockerfile
+scripts/
+migrations/

.github/workflows/rust.yml

@@ -11,7 +11,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
-  SQLX_VERSION: 0.7.1
+  SQLX_VERSION: 0.7.3
   SQLX_FEATURES: "rustls,postgres"
 
 # A workflow run is made up of one or more jobs, which run in parallel by default

Dockerfile

@@ -1,8 +1,29 @@
-FROM rust:latest
+FROM lukemathwalker/cargo-chef:latest-rust-latest as chef
 WORKDIR /app
 RUN apt update && apt install lld clang -y
+FROM chef as planner
+COPY . .
+# Compute a lock-like file for our project
+RUN cargo chef prepare  --recipe-path recipe.json
+FROM chef as builder
+COPY --from=planner /app/recipe.json recipe.json
+# Build our project dependencies, not our application!
+RUN cargo chef cook --release --recipe-path recipe.json
+# Up to this point, if our dependency tree stays the same,
+# all layers should be cached.
 COPY . .
 ENV SQLX_OFFLINE true
-RUN cargo build --release
+# Build our project
+RUN cargo build --release --bin newsLetter
+FROM debian:latest AS runtime
+WORKDIR /app
+RUN apt-get update -y \
+    && apt-get install -y --no-install-recommends openssl ca-certificates \
+    # Clean up
+    && apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*
+COPY --from=builder /app/target/release/newsLetter newsLetter
+COPY configuration configuration
 ENV APP_ENVIRONMENT production
-ENTRYPOINT ["./target/release/newsLetter"]
+ENTRYPOINT ["./newsLetter"]

docker-compose.yml

@@ -0,0 +1,23 @@
+version: "3.8"
+
+services:
+  newsletter:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "8000:8000" # Adjust the port as needed
+    environment:
+      - APP_ENVIRONMENT=production
+    depends_on:
+      - postgres
+    command: ["./newsLetter"]
+
+  postgres:
+    image: postgres:latest
+    environment:
+      POSTGRES_DB: newsletter
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: password
+    ports:
+      - "5432:5432"

spec.yml

@@ -0,0 +1,19 @@
+name: newsLetter
+
+region: BLR1
+
+services:
+  - name: newsLetter
+    dockerfile_path: Dockerfile
+    source_dir: .
+    github:
+      branch: main
+      deploy_on_push: true
+      repo: PrognosticatorR/news_letter
+    health_check:
+      http_path: /health_check
+    http_port: 8000
+    instance_count: 1
+    instance_size_slug: basic-xxs
+    routes:
+      - path: /

src/main.rs

@@ -5,7 +5,7 @@ use newsLetter::configuration::get_configuration;
 use newsLetter::startup::run;
 use newsLetter::telemetry;
 use secrecy::ExposeSecret;
-use sqlx::postgres::PgPool;
+use sqlx::postgres::PgPoolOptions;
 use std::net::TcpListener;
 
 #[tokio::main]
@@ -14,14 +14,16 @@ async fn main() -> std::io::Result<()> {
     let subscriber = telemetry::get_subscriber("newsLetter".into(), "info".into(), std::io::stdout);
     telemetry::init_subscriber(subscriber);
     let configuration = get_configuration().expect("Failed to read configuration.");
-    let connection_pool =
-        PgPool::connect_lazy(configuration.database.connection_string().expose_secret())
-            .expect("Failed to connect to Postgres.");
+    let connection_pool = PgPoolOptions::new()
+        .acquire_timeout(std::time::Duration::from_secs(5))
+        .max_connections(20)
+        .connect_lazy(configuration.database.connection_string().expose_secret())
+        .expect("Failed to connect to Postgres.");
     let address = format!(
         "{}:{}",
         configuration.application.host, configuration.application.port
     );
-    println!("listening on: {}", address);
+    println!(" Server is up and running on : {}", address);
     let listener = TcpListener::bind(address)?;
     run(listener, connection_pool)?.await?;
     Ok(())