[chapter 7] finished pre-review

Signed-off-by: danbugs <[email protected]>

Author: danbugs

chapter07/hello-container2wasm/python-wasm-webserver/Dockerfile

@@ -0,0 +1,16 @@
+# Use a lightweight Python base image
+FROM python:3.9-slim
+
+WORKDIR /app
+
+# Install Flask
+RUN pip install flask
+
+# Copy the app
+COPY app.py .
+
+# Expose port 8000
+EXPOSE 8000
+
+# Run the server
+CMD ["python", "app.py"]

chapter07/hello-container2wasm/python-wasm-webserver/README.md

@@ -0,0 +1,10 @@
+# `hello-container2wasm`
+
+## How to run?
+
+```shell
+docker build -t python-wasm-webserver .
+c2w python-wasm-webserver python-wasm-webserver.wasm
+c2w-net --invoke -p localhost:8000:8000 ./python-wasm-webserver-2.wasm --net=socket
+curl http://127.0.0.1:8000/
+```

chapter07/hello-container2wasm/python-wasm-webserver/app.py

@@ -0,0 +1,10 @@
+from flask import Flask
+
+app = Flask(__name__)
+
+@app.route('/')
+def hello():
+    return "hello from inside a container running on Wasm"
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=8000)

chapter07/hello-container2wasm/python-wasm-webserver/requirements.txt

@@ -0,0 +1 @@
+flask

chapter07/hello-wasm-container/README.md

@@ -4,6 +4,6 @@
 
 ```shell
 cargo build --target wasm32-wasip1 --release
-docker buildx build --platform wasi/wasm32 -t hello-wasm-docker .
+docker buildx build --load --platform wasi/wasm32 -t hello-wasm-docker .
 docker run --rm --runtime=io.containerd.wasmtime.v1 --platform=wasi/wasm32 hello-wasm-docker
 ```

chapter07/hello-wasmcloud-container/README.md

@@ -0,0 +1,9 @@
+# `hello-wasmcloud-container`
+
+## How to run?
+
+```shell
+docker compose up
+wasm app deploy ./wadm.yaml
+curl http://127.0.0.1:8000/
+```

chapter07/hello-wasmcloud-container/docker-compose.yaml

@@ -0,0 +1,29 @@
+# This docker-compose file starts the required services for wasmCloud, which is just:
+#   a NATS server
+#   a wasmCloud host
+#   a wadm server
+
+version: "3"
+services:
+  nats:
+    image: nats:2.10-alpine
+    ports:
+      - "4222:4222"
+    command: ["-js"]
+  wasmcloud:
+    depends_on:
+      - "nats"
+    image: wasmcloud/wasmcloud:latest
+    environment:
+      RUST_LOG: debug,hyper=info,async_nats=info,oci_client=info,cranelift_codegen=warn
+      WASMCLOUD_LOG_LEVEL: debug
+      WASMCLOUD_RPC_HOST: nats
+      WASMCLOUD_CTL_HOST: nats
+    ports:
+      - "8000:8000"
+  wadm:
+    depends_on:
+      - "nats"
+    image: ghcr.io/wasmcloud/wadm:latest
+    environment:
+      - WADM_NATS_SERVER=nats

chapter07/hello-wasmcloud-container/wadm.yaml

@@ -0,0 +1,34 @@
+apiVersion: core.oam.dev/v1beta1
+kind: Application
+metadata:
+  name: hello-wasmcloud-container
+  annotations:
+    description: ''
+spec:
+  components:
+    - name: http-component
+      type: component
+      properties:
+        image: ghcr.io/wasmcloud/components/http-hello-world-rust:0.1.0
+      traits:
+        - type: spreadscaler
+          properties:
+            instances: 1
+
+    - name: httpserver
+      type: capability
+      properties:
+        image: ghcr.io/wasmcloud/http-server:0.25.0
+      traits:
+        - type: link
+          properties:
+            target:
+              name: http-component
+            namespace: wasi
+            package: http
+            interfaces: [incoming-handler]
+            source:
+              config:
+                - name: default-http
+                  properties:
+                    address: 0.0.0.0:8000