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README.md
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# spin-v2-quickstart
#+title: quickstart to the spin wasm build
#+date:[2023-11-16 Thu]
#+author: HaQadosch
#+startup: indent
#+note: based on https://developer.fermyon.com/spin/v2/quickstart
* Org shortcuts
- create footnote :: ~C-c C-x f~
- jump to the footnote ref :: ~C-c C-c~
* Setup
** 1: Install
#+description: check if ~spin~ is installed
#+name: installed?
#+begin_src shell
spin -V
#+end_src
Based on https://developer.fermyon.com/spin/v2/quickstart
#+RESULTS: installed?
: spin 2.0.1 (1d72f1c 2023-11-10)
If it is not installed, ~curl~ the shell file. Make sure to install it in your
path, something like =/usr/local/bin=.
#+description: installing spin
#+name: install spin
#+begin_src shell
curl -fsSL https://developer.fermyon.com/downloads/install.sh | bash
sudo mv ./spin /usr/local/bin/spin
#+end_src
** 2: Using templates
The shell script in first step installs the template. If this is missing, use
~spin~.
#+description: installing the templates
#+name: templates install
#+begin_src shell
# Rust templates
spin templates install --git https://github.com/fermyon/spin --update
rustup target add wasm32-wasi
# Typescript to Wasm
spin plugins update
spin plugins install js2wasm --yes
spin templates install --git https://github.com/fermyon/spin-js-sdk --update
#+end_src
* Creating the App
** Spin new
We use ~spin new~ with the =http-ts= template to create the skeleton of a new
*Spin application*
#+description: spin a new app using http-ts template
#+name: new http-ts template
#+begin_src shell
spin new -t http-ts # We can do http-js for pure javascript
#+end_src
When prompted, enter:
- =name= :: hi
- =description= :: says hi
- =path= :: /hi
A new folder has been created with the =name= of the application.
#+description: content of the spin application folder
#+name: content folder
#+begin_src shell
cd hi/
tree
#+end_src
#+RESULTS: content folder
| .
| ├── package.json
| ├── README.md
| ├── spin.toml
| ├── src
| │   └── index.ts
| ├── tsconfig.json
| └── webpack.config.js
|
| 2 directories, 6 files
** Manifest file
The =spin.toml= is the *manifest* for the application. It tells *spin* what
*events* should trigger what *components*
#+begin_src toml
spin_manifest_version = 2
[application]
authors = ["haqadosch"]
description = "says hi"
name = "hi"
version = "0.1.0"
[[trigger.http]]
route = "/hi"
component = "hi"
[component.hi]
source = "target/hi.wasm"
exclude_files = ["**/node_modules"]
[component.hi.build]
command = "npm run build"
#+end_src
We can see that the app is configured to trigger the component "hi" at the route
"/hi". Any other routes will be ignored.
* Build the application
** Install the node modules
Since this is a *typesccript* app, we need to ~npm install~ everything. This is
no different than any other node app, in the same folder as =package.json=, the
root folder, do the install.
#+description: installing the node modules for the app
#+name: npm install
#+begin_src shell
npm install
#+end_src
** Build the spin app
To run the *build* instruction for all the *components* defined is the
*manifest* file,
#+begin_src shell
spin build
#+end_src
The ~spin build~ command is a shortcut of the build command in the *manifest*
#+begin_src toml
[component.hi.build]
command = "npm run build"
#+end_src
That means you can directly type ~npm run build~ in the root folder instead of
~spin build~.
** Run the application
You can spin up the application by running the following command
#+name: spin up
#+begin_src shell
cd hi
spin up
#+end_src
#+RESULTS: spin up
| Logging component stdio to .spin/logs/
|
| Serving http://127.0.0.1:3000
| Available Routes:
| hi: http://127.0.0.1:3000/hi
Visiting the URL =http://localhost:3000/hi= will display the message
"Hello from TS-SDK".
You can log the activity of the app by setting the *environment variable*
~RUST_LOG~. This variable is independent of the template used for the app.
#+description: logging app activity
#+name: rust_log
#+begin_src shell
export RUST_LOG=spin=trace
spin up
#+end_src
By visiting the same URL as before, you can see the following logs
#+begin_src shell
2023-11-16T21:46:59.858033Z DEBUG spin_loader::cache: using cache root directory .cache/spin/registry
2023-11-16T21:46:59.859288Z TRACE spin_cli::commands::up: Running trigger executor: SPIN_LOCAL_APP_DIR="" SPIN_LOCKED_URL="file:///tmp/spinup-Chh8Cn/spin.lock" SPIN_WORKING_DIR="/tmp/spinup-Chh8Cn" "/usr/local/bin/spin" "trigger" "http"
Logging component stdio to ".spin/logs/"
2023-11-16T21:47:00.272884Z TRACE spin_trigger_http: Constructed router for application hi: [(Exact("/hi"), "hi")]
Serving http://127.0.0.1:3000
2023-11-16T21:47:00.273007Z INFO spin_trigger_http: Serving http://127.0.0.1:3000
Available Routes:
hi: http://127.0.0.1:3000/hi
2023-11-16T21:47:07.785975Z INFO spin_trigger_http: Processing request for application hi on URI http://localhost:3000/hi
2023-11-16T21:47:07.786012Z TRACE spin_trigger_http::handler: Executing request using the Spin executor for component hi
2023-11-16T21:47:07.790199Z INFO spin_trigger_http::handler: Request finished, sending response with status code 200 OK
2023-11-16T21:47:07.887633Z INFO spin_trigger_http: Processing request for application hi on URI http://localhost:3000/favicon.ico
#+end_src
* Deploy the application
** Login
Make sure you're logged in with *Github* first. Once done the deployment
process can start.
#+description: deploying
#+name: spin deploy
#+begin_src shell
spin deploy
#+end_src
#+RESULTS: spin deploy
Copy your one-time code:
djqIipGu
...and open the authorization page in your browser:
https://cloud.fermyon.com/device-authorization
Waiting for device authorization...
Device authorized!
Uploading hi version 0.1.0 to Fermyon Cloud...
Deploying...
Waiting for application to become ready............ ready
Available Routes:
hi: https://hi-7tx.fermyon.app/hi
** Running the app in the cloud
Now visiting https://hi-7tx.fermyon.app/hi will display the same message.
The [[https://cloud.fermyon.com/][Fermyon Cloud]] has a dashboard for your app.

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#+title: quickstart to the spin wasm build
#+date:[2023-11-16 Thu]
#+author: HaQadosch
#+startup: indent
#+note: based on https://developer.fermyon.com/spin/v2/quickstart
* Org shortcuts
- create footnote :: ~C-c C-x f~
- jump to the footnote ref :: ~C-c C-c~
* Setup
** 1: Install
#+description: check if ~spin~ is installed
#+name: installed?
#+begin_src shell
spin -V
#+end_src
#+RESULTS: installed?
: spin 2.0.1 (1d72f1c 2023-11-10)
If it is not installed, ~curl~ the shell file. Make sure to install it in your
path, something like =/usr/local/bin=.
#+description: installing spin
#+name: install spin
#+begin_src shell
curl -fsSL https://developer.fermyon.com/downloads/install.sh | bash
sudo mv ./spin /usr/local/bin/spin
#+end_src
** 2: Using templates
The shell script in first step installs the template. If this is missing, use
~spin~.
#+description: installing the templates
#+name: templates install
#+begin_src shell
# Rust templates
spin templates install --git https://github.com/fermyon/spin --update
rustup target add wasm32-wasi
# Typescript to Wasm
spin plugins update
spin plugins install js2wasm --yes
spin templates install --git https://github.com/fermyon/spin-js-sdk --update
#+end_src
* Creating the App
** Spin new
We use ~spin new~ with the =http-ts= template to create the skeleton of a new
*Spin application*
#+description: spin a new app using http-ts template
#+name: new http-ts template
#+begin_src shell
spin new -t http-ts # We can do http-js for pure javascript
#+end_src
When prompted, enter:
- =name= :: hi
- =description= :: says hi
- =path= :: /hi
A new folder has been created with the =name= of the application.
#+description: content of the spin application folder
#+name: content folder
#+begin_src shell
cd hi/
tree
#+end_src
#+RESULTS: content folder
| .
| ├── package.json
| ├── README.md
| ├── spin.toml
| ├── src
| │   └── index.ts
| ├── tsconfig.json
| └── webpack.config.js
|
| 2 directories, 6 files
** Manifest file
The =spin.toml= is the *manifest* for the application. It tells *spin* what
*events* should trigger what *components*
#+begin_src toml
spin_manifest_version = 2
[application]
authors = ["haqadosch"]
description = "says hi"
name = "hi"
version = "0.1.0"
[[trigger.http]]
route = "/hi"
component = "hi"
[component.hi]
source = "target/hi.wasm"
exclude_files = ["**/node_modules"]
[component.hi.build]
command = "npm run build"
#+end_src
We can see that the app is configured to trigger the component "hi" at the route
"/hi". Any other routes will be ignored.
* Build the application
** Install the node modules
Since this is a *typesccript* app, we need to ~npm install~ everything. This is
no different than any other node app, in the same folder as =package.json=, the
root folder, do the install.
#+description: installing the node modules for the app
#+name: npm install
#+begin_src shell
npm install
#+end_src
** Build the spin app
To run the *build* instruction for all the *components* defined is the
*manifest* file,
#+begin_src shell
spin build
#+end_src
The ~spin build~ command is a shortcut of the build command in the *manifest*
#+begin_src toml
[component.hi.build]
command = "npm run build"
#+end_src
That means you can directly type ~npm run build~ in the root folder instead of
~spin build~.
** Run the application
You can spin up the application by running the following command
#+name: spin up
#+begin_src shell
cd hi
spin up
#+end_src
#+RESULTS: spin up
| Logging component stdio to .spin/logs/
|
| Serving http://127.0.0.1:3000
| Available Routes:
| hi: http://127.0.0.1:3000/hi
Visiting the URL =http://localhost:3000/hi= will display the message
"Hello from TS-SDK".
You can log the activity of the app by setting the *environment variable*
~RUST_LOG~. This variable is independent of the template used for the app.
#+description: logging app activity
#+name: rust_log
#+begin_src shell
export RUST_LOG=spin=trace
spin up
#+end_src
By visiting the same URL as before, you can see the following logs
#+begin_src shell
2023-11-16T21:46:59.858033Z DEBUG spin_loader::cache: using cache root directory .cache/spin/registry
2023-11-16T21:46:59.859288Z TRACE spin_cli::commands::up: Running trigger executor: SPIN_LOCAL_APP_DIR="" SPIN_LOCKED_URL="file:///tmp/spinup-Chh8Cn/spin.lock" SPIN_WORKING_DIR="/tmp/spinup-Chh8Cn" "/usr/local/bin/spin" "trigger" "http"
Logging component stdio to ".spin/logs/"
2023-11-16T21:47:00.272884Z TRACE spin_trigger_http: Constructed router for application hi: [(Exact("/hi"), "hi")]
Serving http://127.0.0.1:3000
2023-11-16T21:47:00.273007Z INFO spin_trigger_http: Serving http://127.0.0.1:3000
Available Routes:
hi: http://127.0.0.1:3000/hi
2023-11-16T21:47:07.785975Z INFO spin_trigger_http: Processing request for application hi on URI http://localhost:3000/hi
2023-11-16T21:47:07.786012Z TRACE spin_trigger_http::handler: Executing request using the Spin executor for component hi
2023-11-16T21:47:07.790199Z INFO spin_trigger_http::handler: Request finished, sending response with status code 200 OK
2023-11-16T21:47:07.887633Z INFO spin_trigger_http: Processing request for application hi on URI http://localhost:3000/favicon.ico
#+end_src
* Deploy the application
** Login
Make sure you're logged in with *Github* first. Once done the deployment
process can start.
#+description: deploying
#+name: spin deploy
#+begin_src shell
spin deploy
#+end_src
#+RESULTS: spin deploy
Copy your one-time code:
djqIipGu
...and open the authorization page in your browser:
https://cloud.fermyon.com/device-authorization
Waiting for device authorization...
Device authorized!
Uploading hi version 0.1.0 to Fermyon Cloud...
Deploying...
Waiting for application to become ready............ ready
Available Routes:
hi: https://hi-7tx.fermyon.app/hi
** Running the app in the cloud
Now visiting https://hi-7tx.fermyon.app/hi will display the same message.
The [[https://cloud.fermyon.com/][Fermyon Cloud]] has a dashboard for your app.