feat: Support for --cpus and --memory resource options

Author: cstea

Sources/Container-Compose/Commands/ComposeUp.swift

@@ -489,6 +489,14 @@ public struct ComposeUp: AsyncParsableCommand, @unchecked Sendable {
             runCommandArgs.append("--read-only")
         }
 
+        // Add resource limits
+        if let cpus = service.deploy?.resources?.limits?.cpus {
+            runCommandArgs.append(contentsOf: ["--cpus", cpus])
+        }
+        if let memory = service.deploy?.resources?.limits?.memory {
+            runCommandArgs.append(contentsOf: ["--memory", memory])
+        }
+
         // Handle service-level configs (note: still only parsing/logging, not attaching)
         if let serviceConfigs = service.configs {
             print(

Tests/Container-Compose-DynamicTests/ComposeUpTests.swift

@@ -234,6 +234,39 @@ struct ComposeUpTests {
         #expect(webContainer.status == .running)
         #expect(dbContainer.status == .running)
     }
+
+        @Test("Test container created with non-default CPU and memory limits")
+        func testCpuAndMemoryLimits() async throws {
+                let yaml = """
+                version: "3.8"
+                services:
+                    app:
+                        image: nginx:alpine
+                        deploy:
+                            resources:
+                                limits:
+                                    cpus: "1"
+                                    memory: "512MB"
+                """
+
+                let tempLocation = URL.temporaryDirectory.appending(path: "Container-Compose_Tests_\(UUID().uuidString)/docker-compose.yaml")
+                try? FileManager.default.createDirectory(at: tempLocation.deletingLastPathComponent(), withIntermediateDirectories: true)
+                try yaml.write(to: tempLocation, atomically: false, encoding: .utf8)
+                let folderName = tempLocation.deletingLastPathComponent().lastPathComponent
+
+                var composeUp = try ComposeUp.parse(["-d", "--cwd", tempLocation.deletingLastPathComponent().path(percentEncoded: false)])
+                try await composeUp.run()
+
+                let containers = try await ClientContainer.list()
+                        .filter { $0.configuration.id.contains(folderName) }
+
+                guard let appContainer = containers.first(where: { $0.configuration.id == "\(folderName)-app" }) else {
+                        throw Errors.containerNotFound
+                }
+
+                #expect(appContainer.configuration.resources.cpus == 1)
+                #expect(appContainer.configuration.resources.memoryInBytes == 512.mib())
+        }
 
     enum Errors: Error {
         case containerNotFound

Tests/Container-Compose-StaticTests/DockerComposeParsingTests.swift

@@ -378,6 +378,27 @@ struct DockerComposeParsingTests {
 
         #expect(compose.services["app"]??.platform == "linux/amd64")
     }
+
+    @Test("Parse deploy resources limits (cpus and memory)")
+    func parseComposeWithDeployResources() throws {
+        let yaml = """
+        version: '3.8'
+        services:
+          app:
+            image: alpine:latest
+            deploy:
+              resources:
+                limits:
+                  cpus: "0.5"
+                  memory: "512M"
+        """
+
+        let decoder = YAMLDecoder()
+        let compose = try decoder.decode(DockerCompose.self, from: yaml)
+
+        #expect(compose.services["app"]??.deploy?.resources?.limits?.cpus == "0.5")
+        #expect(compose.services["app"]??.deploy?.resources?.limits?.memory == "512M")
+    }
 
     @Test("Service must have image or build - should fail without either")
     func serviceRequiresImageOrBuild() throws {