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Chad Arimura
2017-05-25 14:42:33 -07:00
parent 2ed7504269
commit da09f18741
2 changed files with 21 additions and 9 deletions
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13
examples/tutorial/README.md
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@@ -4,7 +4,12 @@
Welcome to the Oracle Functions Tutorial Series, the best way to get started with Oracle Functions and serverless computing. In the following Welcome to the Oracle Functions Tutorial Series, the best way to get started with Oracle Functions and serverless computing. In the following
tutorials, we'll gradually introduce many of the key features of Oracle Functions. tutorials, we'll gradually introduce many of the key features of Oracle Functions.
1. [Tutorial 1](examples/tutorial/hello): Learn the basics about sending data into your function
2. [Tutorial 2](examples/tutorial/params): Learn how to get parameters from a web request **[Tutorial 1](examples/tutorial/hello)**
3. [Tutorial 3](examples/tutorial/hotfunctions): Write your first HotFunction (stays alive to minimze latency between requests) : Learn the basics about sending data into your function
4. [Tutorial 4](): TBD
**[Tutorial 2](examples/tutorial/params)**: Learn how to get parameters from a web request
**[Tutorial 3](examples/tutorial/hotfunctions)**: Write your first HotFunction (stays alive to minimize latency between requests)
**[Tutorial 4]()**: TBD

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examples/tutorial/hello/go/README.md
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This example will show you how to test and deploy Go (Golang) code to Oracle Functions. It will also demonstrate passing data in through stdin. This example will show you how to test and deploy Go (Golang) code to Oracle Functions. It will also demonstrate passing data in through stdin.
First, run the following commands to create, run, and deploy your function: ### First, run the following commands to create, run, and deploy your function:
```sh ```sh
# Initialize your function creating a func.yaml file # Initialize your function creating a func.yaml file
@@ -18,36 +18,43 @@ cat hello.payload.json | fn run
# This will create a route to your function as well # This will create a route to your function as well
fn deploy myapp fn deploy myapp
``` ```
Now call your function: ### Now call your function:
```sh ```sh
curl http://localhost:8080/r/myapp/hello curl http://localhost:8080/r/myapp/hello
``` ```
Or call from a browser: [http://localhost:8080/r/myapp/hello](http://localhost:8080/r/myapp/hello) ### Or call from a browser: [http://localhost:8080/r/myapp/hello](http://localhost:8080/r/myapp/hello)
And now with the JSON input: ### And now with the JSON input:
```sh ```sh
curl -H "Content-Type: application/json" -X POST -d @hello.payload.json http://localhost:8080/r/myapp/hello curl -H "Content-Type: application/json" -X POST -d @hello.payload.json http://localhost:8080/r/myapp/hello
``` ```
That's it! ### That's it!
# In Review # In Review
1. We piped JSON data into the function at the command line 1. We piped JSON data into the function at the command line
```sh ```sh
cat hello.payload.json | fn run cat hello.payload.json | fn run
``` ```
2. We received our input through stdin 2. We received our input through stdin
```go ```go
json.NewDecoder(os.Stdin).Decode(p) json.NewDecoder(os.Stdin).Decode(p)
``` ```
3. We wrote our output to stdout 3. We wrote our output to stdout
```go ```go
fmt.Printf("Hello") fmt.Printf("Hello")
``` ```
4. We sent stderr to the server logs 4. We sent stderr to the server logs
```go ```go
log.Println("here") log.Println("here")
``` ```