Update grain template for componentization

Signed-off-by: Lann Martin <[email protected]>

Author: lann

templates/http-grain/content/main.gr

@@ -1,3 +1,7 @@
-print("content-type: text/plain")
-print("")
-print("Hello, World")
+module Main
+
+provide let _start = () => {
+  print("content-type: text/plain")
+  print("")
+  print("Hello, World")
+}

templates/http-grain/content/spin.toml

@@ -15,5 +15,5 @@ executor = { type = "wagi" }
 source = "main.wasm"
 allowed_outbound_hosts = []
 [component.{{project-name | kebab_case}}.build]
-command = "grain compile --release -o main.wasm main.gr"
+command = "grain compile --release --use-start-section -o main.wasm main.gr"
 watch = ["**/*.gr"]

tests/integration.rs

@@ -628,7 +628,6 @@ Caused by:
     #[test]
     #[cfg(target_arch = "x86_64")]
     #[cfg(feature = "extern-dependencies-tests")]
-    #[ignore = "https://github.com/fermyon/spin/issues/2774"]
     fn http_grain_template_smoke_test() -> anyhow::Result<()> {
         http_smoke_test_template(
             "http-grain",