precompile the wasm component

.gitignore

@@ -2,5 +2,6 @@
 **/target
 
 **/*.wasm
+**/*.cwasm
 
 **/.projects.json

apps/compose/Makefile

@@ -5,6 +5,7 @@ GO_COMPONENT_NAME := service.wasm
 SERVER_COMPONENT_PATH := $(ROOT_DIR)/app-js/$(SERVER_COMPONENT_NAME)
 GO_COMPONENT_PATH := $(ROOT_DIR)/service-go/$(GO_COMPONENT_NAME)
 COMPOSED_COMPONENT_PATH := $(ROOT_DIR)/composed.wasm
+COMPOSED_COMPILED_COMPONENT_PATH := $(ROOT_DIR)/composed.cwasm
 .DEFAULT_GOAL:=help
 
 ## --------------------------------------
@@ -31,11 +32,12 @@ build-compose: ## Compose the microservice app with the constituent components.
 	$(info "Fusing components together with wac...")
 	# @wac plug --plug $(GO_COMPONENT_PATH) -o composed.wasm $(SERVER_COMPONENT_PATH)
 	wac compose --dep example:service=$(GO_COMPONENT_PATH) --dep example:server=$(SERVER_COMPONENT_PATH) -o composed.wasm compose.wac
+	wasmtime compile $(COMPOSED_COMPONENT_PATH)
 
 .PHONY: run
 run: ## Run the microservice app after build.
 	$(info "Running Component Application Using Wasmtime...")
-	wasmtime serve -S cli --env OPENAI_API_KEY="$${OPENAI_API_KEY}" $(COMPOSED_COMPONENT_PATH)
+	wasmtime serve -S cli --env OPENAI_API_KEY --allow-precompiled $(COMPOSED_COMPILED_COMPONENT_PATH)
 
 .PHONY: build-and-run
 build-and-run: build run ## Build and run the microservice app.
@@ -45,7 +47,7 @@ build-and-run: build run ## Build and run the microservice app.
 .PHONY: clean
 clean: ## Clean up the build artifacts.
 	@echo "Cleaning up build artifacts..."
-	@rm -rf $(SERVER_COMPONENT_PATH) $(GO_COMPONENT_PATH) $(COMPOSED_COMPONENT_PATH)
+	@rm -rf $(SERVER_COMPONENT_PATH) $(GO_COMPONENT_PATH) $(COMPOSED_COMPONENT_PATH) $(COMPOSED_COMPILED_COMPONENT_PATH)
 
 help: ## Display this help.
 	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[0-9a-zA-Z_-]+:.*?##/ { printf "  \033[36m%-25s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)

apps/compose/app-js/package.json

@@ -9,7 +9,6 @@
     "rollup-plugin-polyfill-node": "^0.13.0"
   },
   "scripts": {
-    "build:jco": "jco types -h ./wit",
     "build:rollup": "rollup -c",
     "build": "wkg wit fetch && npm run build:rollup  && node componentize.js"
   },

apps/compose/app-js/src/server.js

@@ -31,7 +31,7 @@ router
   .get("/chat", (request) => {
     let prompt = request.query["prompt"];
     let chatRequest = {
-      model: "gpt-3.5-turbo",
+      model: "gpt-4o-mini",
       messages: [
         {
           role: "user",
@@ -42,7 +42,6 @@ router
 
     // send the request to the chat function, which is the Golang backend component.
     let result = chat(chatRequest);
-    console.log("result", result);
     return {
       result: result,
     };

apps/compose/service-go/service.go

@@ -28,7 +28,7 @@ func init() {
 
 	run.Exports.Run = func() cm.BoolResult {
 		res, err := chatCompletion(chat.ChatRequest{
-			Model: "gpt-4o",
+			Model: "gpt-4o-mini",
 			Messages: cm.ToList([]domainTypes.Message{
 				{
 					Role:    "user",

buildpacks/wac-composer/bin/build

@@ -22,6 +22,8 @@ echo "wac-composer: running compose command: '${compose_cmd}' to create composed
 # command should look something like: `wac compose --dep example:math=./component_path1/math.wasm --dep example:server=./component_path2/server.wasm -o composed.wasm compose.wac`
 $compose_cmd
 
+wasmtime compile composed.wasm
+
 wasm_component_layer="${CNB_LAYERS_DIR}/wac-composer"
 mkdir -p "${wasm_component_layer}"
 cat > "${wasm_component_layer}.toml" << EOL
@@ -31,12 +33,13 @@ cache = false
 build = false
 EOL
 
-cp composed.wasm "${wasm_component_layer}"
+cp composed.cwasm "${wasm_component_layer}"
 
 # Set default start command
 cat > "${CNB_LAYERS_DIR}/launch.toml" << EOL
 [[processes]]
 type = "web"
-command = ["wasmtime", "serve", "-S", "cli", "${wasm_component_layer}/composed.wasm"]
+command = ["wasmtime"]
+args = ["serve", "-S", "cli", "--env", "OPENAI_API_KEY", "--allow-precompiled", "${wasm_component_layer}/composed.cwasm"]
 default = true
 EOL