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Merge pull request #329 from acelaya-forks/feature/fix-too-long-cache

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Feature/fix too long cache
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Alejandro Celaya 2020-10-31 13:47:43 +01:00 committed by GitHub
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5 changed files with 18 additions and 131 deletions
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2
CHANGELOG.md
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@ -12,7 +12,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
#### Changed
* *Nothing*
* [#292](https://github.com/shlinkio/shlink-web-client/issues/292) Improved a bit how caching works by removing the service worker and adding proper HTTP caching config on nginx inside docker image.
#### Deprecated

2
Dockerfile
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@ -5,7 +5,7 @@ ENV VERSION ${VERSION}
RUN cd /shlink-web-client && \
npm install && npm run build -- ${VERSION} --no-dist
FROM nginx:1.17.10-alpine
FROM nginx:1.19.3-alpine
LABEL maintainer="Alejandro Celaya <alejandro@alejandrocelaya.com>"
RUN rm -r /usr/share/nginx/html && rm /etc/nginx/conf.d/default.conf
COPY config/docker/nginx.conf /etc/nginx/conf.d/default.conf

17
config/docker/nginx.conf
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@ -4,11 +4,26 @@ server {
root /usr/share/nginx/html;
index index.html;
# Expire rules for static content
# HTML files should never be cached. There's only one here, which is the entry point (index.html)
location ~* \.(?:manifest|appcache|html?|xml|json)$ {
expires -1;
}
# Images and other binary assets can be saved for a month
location ~* \.(?:jpg|jpeg|gif|png|ico|cur|gz|svg|svgz|mp4|ogg|ogv|webm|htc)$ {
expires 1M;
add_header Cache-Control "public";
}
# JS and CSS files can be saved for a year, as they are always hashed. New versions will include a new hash anyway, forcing the download
location ~* \.(?:css|js)$ {
expires 1y;
add_header Cache-Control "public";
}
# When requesting static paths with extension, try them, and return a 404 if not found
location ~* .+\.(css|js|html|png|jpe?g|gif|bmp|ico|json|csv|otf|eot|svg|svgz|ttf|woff|woff2|ijmap|pdf|tif|map) {
try_files $uri $uri/ =404;
}
# When requesting a path without extension, try it, and return the index if not found
# This allows HTML5 history paths to be handled by the client application
location / {

2
src/index.tsx
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@ -3,7 +3,6 @@ import { render } from 'react-dom';
import { Provider } from 'react-redux';
import { BrowserRouter } from 'react-router-dom';
import { homepage } from '../package.json';
import registerServiceWorker from './registerServiceWorker';
import container from './container';
import store from './container/store';
import { fixLeafletIcons } from './utils/helpers/leaflet';
@ -30,4 +29,3 @@ render(
</Provider>,
document.getElementById('root'),
);
registerServiceWorker();

126
src/registerServiceWorker.js
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@ -1,126 +0,0 @@
/* eslint-disable @typescript-eslint/promise-function-async, @typescript-eslint/no-misused-promises */
// In production, we register a service worker to serve assets from local cache.
// This lets the app load faster on subsequent visits in production, and gives
// it offline capabilities. However, it also means that developers (and users)
// will only see deployed updates on the "N+1" visit to a page, since previously
// cached resources are updated in the background.
// To learn more about the benefits of this model, read https://goo.gl/KwvDNy.
// This link also includes instructions on opting out of this behavior.
/* eslint no-console: "off" */
const isLocalhost = Boolean(
window.location.hostname === 'localhost' ||
// [::1] is the IPv6 localhost address.
window.location.hostname === '[::1]' ||
// 127.0.0.1/8 is considered localhost for IPv4.
window.location.hostname.match(
/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/,
),
);
export default function register() {
if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
// The URL constructor is available in all browsers that support SW.
const publicUrl = new URL(process.env.PUBLIC_URL, window.location);
if (publicUrl.origin !== window.location.origin) {
// Our service worker won't work if PUBLIC_URL is on a different origin
// from what our page is served on. This might happen if a CDN is used to
// serve assets; see https://github.com/facebookincubator/create-react-app/issues/2374
return;
}
window.addEventListener('load', () => {
const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
if (isLocalhost) {
// This is running on localhost. Lets check if a service worker still exists or not.
checkValidServiceWorker(swUrl);
// Add some additional logging to localhost, pointing developers to the
// service worker/PWA documentation.
return navigator.serviceWorker.ready.then(() => {
console.log(
'This web app is being served cache-first by a service ' +
'worker. To learn more, visit https://goo.gl/SC7cgQ',
);
});
}
// Is not local host. Just register service worker
return registerValidSW(swUrl);
});
}
}
function registerValidSW(swUrl) {
return navigator.serviceWorker
.register(swUrl)
.then((registration) => {
registration.onupdatefound = () => {
const installingWorker = registration.installing;
installingWorker.onstatechange = () => {
if (installingWorker.state === 'installed') {
if (navigator.serviceWorker.controller) {
// At this point, the old content will have been purged and
// the fresh content will have been added to the cache.
// It's the perfect time to display a "New content is
// available; please refresh." message in your web app.
console.log('New content is available; please refresh.');
} else {
// At this point, everything has been precached.
// It's the perfect time to display a
// "Content is cached for offline use." message.
console.log('Content is cached for offline use.');
}
}
};
};
})
.catch((error) => {
console.error('Error during service worker registration:', error);
});
}
function checkValidServiceWorker(swUrl) {
// Check if the service worker can be found. If it can't reload the page.
fetch(swUrl)
.then((response) => {
const NOT_FOUND_STATUS = 404;
// Ensure service worker exists, and that we really are getting a JS file.
if (
response.status === NOT_FOUND_STATUS ||
response.headers.get('content-type').includes('javascript')
) {
// No service worker found. Probably a different app. Reload the page.
return navigator.serviceWorker.ready.then((registration) =>
registration.unregister().then(() => {
window.location.reload();
}));
}
// Service worker found. Proceed as normal.
return registerValidSW(swUrl);
})
.catch(() => {
console.log(
'No internet connection found. App is running in offline mode.',
);
});
}
export function unregister() {
if ('serviceWorker' in navigator) {
navigator.serviceWorker.ready.then((registration) => {
registration.unregister();
}).catch(() => {});
}
}