install rust and template

README.org

@@ -22,20 +22,20 @@ Checking if the install went ok
 #+description: running version and upgrade to confirm install is ok
 #+name: confirm install
 #+begin_src shell
-    rustup --version
+  rustup --version
-    rustup upgrade
+  rustup upgrade
 #+end_src
 
 #+RESULTS: confirm install
-| rustup 1.26.0 (5af9b9484 2023-04-05)
+: rustup 1.26.0 (5af9b9484 2023-04-05)
-| info: This is the version for the rustup toolchain manager, not the rustc compiler.
+: info: This is the version for the rustup toolchain manager, not the rustc compiler.
-| info: The currently active `rustc` version is `rustc 1.74.0 (79e9716c9 2023-11-13)`
+: info: The currently active `rustc` version is `rustc 1.74.0 (79e9716c9 2023-11-13)`
-| info: syncing channel updates for 'stable-x86_64-unknown-linux-gnu'
+: info: syncing channel updates for 'stable-x86_64-unknown-linux-gnu'
-| info: checking for self-update
+: info: checking for self-update
-|
+:
-|   stable-x86_64-unknown-linux-gnu unchanged - rustc 1.74.0 (79e9716c9 2023-11-13)
+:   stable-x86_64-unknown-linux-gnu unchanged - rustc 1.74.0 (79e9716c9 2023-11-13)
-|
+:
-| info: cleaning up downloads & tmp directories
+: info: cleaning up downloads & tmp directories
 
 
 Ensure cargo, the package manager is also installed
@@ -45,6 +45,103 @@ Ensure cargo, the package manager is also installed
 #+end_src
 
 #+RESULTS: confirm cargo installed
-| cargo 1.74.0 (ecb9851af 2023-10-18)
+: cargo 1.74.0 (ecb9851af 2023-10-18)
-* Rust mode for emacs
+** Rust mode for emacs
 Woohoo https://github.com/rust-lang/rust-mode
+* Install Spin
+This has been done already in a previous tut.
+#+name: check install spin
+#+begin_src shell
+  spin -V
+#+end_src
+
+#+RESULTS: check install spin
+: spin 2.0.1 (1d72f1c 2023-11-10)
+* Install Templates for Rust
+This has also been done in a previous tut.
+#+name: check install templates
+#+begin_src shell
+  spin template list
+#+end_src
+
+#+RESULTS: check install templates
+: +------------------------------------------------------------------------+
+: | Name                Description                                        |
+: +========================================================================+
+: | http-c              HTTP request handler using C and the Zig toolchain |
+: | http-empty          HTTP application with no components                |
+: | http-go             HTTP request handler using (Tiny)Go                |
+: | http-grain          HTTP request handler using Grain                   |
+: | http-js             HTTP request handler using Javascript              |
+: | http-php            HTTP request handler using PHP                     |
+: | http-rust           HTTP request handler using Rust                    |
+: | http-swift          HTTP request handler using SwiftWasm               |
+: | http-ts             HTTP request handler using Typescript              |
+: | http-zig            HTTP request handler using Zig                     |
+: | redirect            Redirects a HTTP route                             |
+: | redis-go            Redis message handler using (Tiny)Go               |
+: | redis-rust          Redis message handler using Rust                   |
+: | static-fileserver   Serves static files from an asset directory        |
+: +------------------------------------------------------------------------+
+* Installing Wasm
+We need additional tools to support Wasm.
+#+description: adding extra tools
+#+name: add wasm
+#+begin_src shell
+  rustup target add wasm32-wasi
+#+end_src
+
+#+RESULTS: add wasm
+: info: downloading component 'rust-std' for 'wasm32-wasi'
+: info: installing component 'rust-std' for 'wasm32-wasi'
+:  17.7 MiB /  17.7 MiB (100 %)  13.8 MiB/s in  1s ETA:  0s
+* Create the first application
+We use ~spin new~ and select the rust template ~http-rust~
+#+name: spin new http-rust
+#+begin_src shell
+  spin new -t http-rust qstart
+#+end_src
+
+#+RESULTS: spin new http-rust
+: Description []: a quick hello world
+: Description: a quick hello world
+: HTTP path [/...]:
+: HTTP path: /...
+
+#+description: check the folder structure for Rust app
+#+name: tree qstart
+#+begin_src shell
+  tree qstart/
+#+end_src
+
+#+RESULTS: tree qstart
+: qstart/
+: ├── Cargo.toml
+: ├── spin.toml
+: └── src
+:     └── lib.rs
+:
+: 2 directories, 3 files
+
+The manifest file is =spin.toml=
+#+begin_src toml
+  spin_manifest_version = 2
+
+  [application]
+  name = "qstart"
+  version = "0.1.0"
+  authors = ["HaQadosch <redacted>"]
+  description = "a quick hello world"
+
+  [[trigger.http]]
+  route = "/..."
+  component = "qstart"
+
+  [component.qstart]
+  source = "target/wasm32-wasi/release/qstart.wasm"
+  allowed_outbound_hosts = []
+  [component.qstart.build]
+  command = "cargo build --target wasm32-wasi --release"
+  watch = ["src/**/*.rs", "Cargo.toml"]
+#+end_src
+

qstart/.gitignore

@@ -0,0 +1,2 @@
+target/
+.spin/

qstart/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "qstart"
+authors = ["HaQadosch <gittea.h0w2x@passmail.net>"]
+description = "a quick hello world"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = [ "cdylib" ]
+
+[dependencies]
+anyhow = "1"
+http = "0.2"
+spin-sdk = { git = "https://github.com/fermyon/spin", tag = "v2.0.1" }
+
+[workspace]

qstart/spin.toml

@@ -0,0 +1,18 @@
+spin_manifest_version = 2
+
+[application]
+name = "qstart"
+version = "0.1.0"
+authors = ["HaQadosch <gittea.h0w2x@passmail.net>"]
+description = "a quick hello world"
+
+[[trigger.http]]
+route = "/..."
+component = "qstart"
+
+[component.qstart]
+source = "target/wasm32-wasi/release/qstart.wasm"
+allowed_outbound_hosts = []
+[component.qstart.build]
+command = "cargo build --target wasm32-wasi --release"
+watch = ["src/**/*.rs", "Cargo.toml"]

qstart/src/lib.rs

@@ -0,0 +1,12 @@
+use spin_sdk::http::{IntoResponse, Request};
+use spin_sdk::http_component;
+
+/// A simple Spin HTTP component.
+#[http_component]
+fn handle_qstart(req: Request) -> anyhow::Result<impl IntoResponse> {
+    println!("Handling request to {:?}", req.header("spin-full-url"));
+    Ok(http::Response::builder()
+        .status(200)
+        .header("content-type", "text/plain")
+        .body("Hello, Fermyon")?)
+}