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serving/helloworld-rust: respect the PORT env var #464

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Merged
merged 2 commits into from
Oct 24, 2018
Merged

serving/helloworld-rust: respect the PORT env var #464

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af7486e
serving/helloworld-rust: respect the PORT env var
grayside Oct 17, 2018
efdd274
Merge branch 'master' into serving-sample-rust-port-env
samodell Oct 24, 2018
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13 changes: 12 additions & 1 deletion serving/samples/helloworld-rust/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

A simple web app written in Rust that you can use for testing.
It reads in an env variable `TARGET` and prints "Hello ${TARGET}!". If

TARGET is not specified, it will use "World" as the TARGET.

## Prerequisites
Expand Down Expand Up @@ -48,7 +49,17 @@ following instructions recreate the source files from this folder.
fn main() {
pretty_env_logger::init();

let addr = ([0, 0, 0, 0], 8080).into();
let mut port: u16 = 8080;
match env::var("PORT") {
Ok(p) => {
match p.parse::<u16>() {
Ok(n) => {port = n;},
Err(_e) => {},
};
}
Err(_e) => {},
};
let addr = ([0, 0, 0, 0], port).into();

let new_service = || {
service_fn_ok(|_| {
Expand Down
12 changes: 11 additions & 1 deletion serving/samples/helloworld-rust/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,17 @@ use std::env;
fn main() {
pretty_env_logger::init();

let addr = ([0, 0, 0, 0], 8080).into();
let mut port: u16 = 8080;
match env::var("PORT") {
Ok(p) => {
match p.parse::<u16>() {
Ok(n) => {port = n;},
Err(_e) => {},
};
}
Err(_e) => {},
};
let addr = ([0, 0, 0, 0], port).into();

let new_service = || {
service_fn_ok(|_| {
Expand Down