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Document a Node 10.x example #10

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tzununbekov merged 10 commits into from
Jan 9, 2019
Merged

Document a Node 10.x example #10

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e4b42f5
Transitional Node 10.x example documented
solsson Jan 7, 2019
ecc0853
Make the go example work in bash
solsson Jan 8, 2019
efe51e1
Make room for more examples
solsson Jan 8, 2019
89f86ee
Merge branch 'more-readme' into node10-example
solsson Jan 8, 2019
e4db282
Use local source for the Node 10 example
solsson Jan 8, 2019
455a540
Use the new build template name
solsson Jan 8, 2019
f5b870a
Oh, the handler name
solsson Jan 8, 2019
eb5186b
Looks like console.log isn't actually logged
solsson Jan 8, 2019
f2a0ac3
Shows that handler should return JSON
solsson Jan 8, 2019
fe210b1
Merge remote-tracking branch 'origin/master' into node10-example
solsson Jan 8, 2019
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46 changes: 43 additions & 3 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -56,13 +56,53 @@ curl http://node43-test.default.dev.triggermesh.io
{"statusCode":200,"headers":{"Content-Type":"text/html"},"body":"\n <html>\n <style>\n h1 { color: #73757d; }\n </style>\n <body>\n <h1>Landing Page</h1>\n <p>Hey Unknown!</p>\n </body>\n </html>"}
```

### Node 10 with `asnc` handler

1. Prepare function code

```
mkdir example-lambda-nodejs
cd example-lambda-nodejs
cat > handler.js <<EOF
async function justWait() {
return new Promise((resolve, reject) => setTimeout(resolve, 100));
}

module.exports.sayHelloAsync = async (event) => {
await justWait();
return {hello: event.name};
};
EOF

node -e "require('./handler').sayHelloAsync({}).then(h => console.log(h))"
```

2. Install node-10.x buildtemplate

```
tm deploy buildtemplate -f https://raw.githubusercontent.com/triggermesh/knative-lambda-runtime/master/node-10.x/buildtemplate.yaml
```

3. Deploy function

```
tm deploy service node-lambda -f . --build-template knative-node10-runtime --build-argument HANDLER=handler.sayHelloAsync --wait
```

Done:

```
curl http://node-lambda.default.dev.triggermesh.io --data '{"name": "Foo"}'
# {"hello":"Foo"}
```

### Go

1. Prepare function code

```
mkdir lambda
cd lambda
mkdir example-lambda-go
cd example-lambda-go
cat > main.go <<EOF
package main

Expand All @@ -73,7 +113,7 @@ import (
)

type MyEvent struct {
Name string `json:"name"`
Name string \`json:"name"\`
}

func HandleRequest(ctx context.Context, name MyEvent) (string, error) {
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