swift version

Author: tomerd

Examples/Echo/Package.swift

@@ -3,14 +3,6 @@
 import Foundation
 import PackageDescription
 
-// this is the dependency on the swift-aws-lambda-runtime library
-var dependencies = [Package.Dependency]()
-if FileManager.default.fileExists(atPath: "../../Package.swift") {
-    dependencies.append(Package.Dependency.package(name: "swift-aws-lambda-runtime", path: "../.."))
-} else {
-    dependencies.append(Package.Dependency.package(url: "https://github.com/swift-server/swift-aws-lambda-runtime.git", branch: "main"))
-}
-
 let package = Package(
     name: "swift-aws-lambda-runtime-example",
     platforms: [
@@ -19,7 +11,12 @@ let package = Package(
     products: [
         .executable(name: "MyLambda", targets: ["MyLambda"]),
     ],
-    dependencies: dependencies,
+    dependencies: [
+        // this is the dependency on the swift-aws-lambda-runtime library
+        // in real-world projects this would say
+        // .package(url: "https://github.com/swift-server/swift-aws-lambda-runtime.git", from: "1.0.0")
+        .package(name: "swift-aws-lambda-runtime", path: "../.."),
+    ],
     targets: [
         .executableTarget(
             name: "MyLambda",

Plugins/AWSLambdaPackager/Plugin.swift

@@ -315,8 +315,8 @@ private struct Configuration: CustomStringConvertible {
             throw Errors.invalidArgument("--swift-version and --base-docker-image are mutually exclusive")
         }
 
-        let swiftVersion = swiftVersionArgument.first ?? Self.getSwiftVersion()
-        self.baseDockerImage = baseDockerImageArgument.first ?? "swift:\(swiftVersion)-amazonlinux2"
+        let swiftVersion = swiftVersionArgument.first ?? .none // undefined version will yield the latest docker image
+        self.baseDockerImage = baseDockerImageArgument.first ?? "swift:\(swiftVersion.map { $0 + "-" } ?? "")amazonlinux2"
 
         if self.verboseLogging {
             print("-------------------------------------------------------------------------")
@@ -336,11 +336,6 @@ private struct Configuration: CustomStringConvertible {
         }
         """
     }
-
-    #warning("FIXME: read this programmatically")
-    private static func getSwiftVersion() -> String {
-        "5.6"
-    }
 }
 
 private enum Errors: Error {