options to limit the cpu and mem of the build

src/main.rs

@@ -73,6 +73,7 @@ struct Args {
 }
 
 /// The valid subcommands passed to `nixpacks`, and their arguments.
+#[allow(clippy::large_enum_variant)]
 #[derive(Subcommand)]
 enum Commands {
     /// Generate a build plan for an app
@@ -148,6 +149,16 @@ enum Commands {
         #[arg(long)]
         no_error_without_start: bool,
 
+        /// Limit the CPU CFS (Completely Fair Scheduler) quota.
+        /// Passed directly to the docker build command
+        #[arg(long)]
+        cpu_quota: Option<String>,
+
+        /// Memory limit.
+        /// Passed directly to the docker build command
+        #[arg(long)]
+        memory: Option<String>,
+
         /// Display more info during build
         #[arg(long, short)]
         verbose: bool,
@@ -236,6 +247,8 @@ async fn main() -> Result<()> {
             cache_from,
             inline_cache,
             no_error_without_start,
+            cpu_quota,
+            memory,
             verbose,
         } => {
             let verbose = verbose || args.env.contains(&"NIXPACKS_VERBOSE=1".to_string());
@@ -262,6 +275,8 @@ async fn main() -> Result<()> {
                 cache_from,
                 no_error_without_start,
                 incremental_cache_image,
+                cpu_quota,
+                memory,
                 verbose,
             };
             create_docker_image(&path, env, &options, build_options).await?;

src/nixpacks/builder/docker/docker_image_builder.rs

@@ -179,6 +179,13 @@ impl DockerImageBuilder {
             docker_build_cmd.arg("--platform").arg(l);
         }
 
+        if let Some(cpu_quota) = self.options.cpu_quota.clone() {
+            docker_build_cmd.arg("--cpu-quota").arg(cpu_quota);
+        }
+        if let Some(memory) = self.options.memory.clone() {
+            docker_build_cmd.arg("--memory").arg(memory);
+        }
+
         Ok(docker_build_cmd)
     }
 

src/nixpacks/builder/docker/mod.rs

@@ -18,6 +18,8 @@ pub struct DockerBuilderOptions {
     pub current_dir: bool,
     pub no_error_without_start: bool,
     pub incremental_cache_image: Option<String>,
+    pub cpu_quota: Option<String>,
+    pub memory: Option<String>,
     pub verbose: bool,
 }