app/assets/images/favicon/manifest.json.erb
{
"name": "Boussole",
"icons": [
{
"src": "<%= asset_path('favicon/android-chrome-36x36.png') %>",
"sizes": "36x36",
"type": "image/png"
},
{
"src": "<%= asset_path('favicon/android-chrome-48x48.png') %>",
"sizes": "48x48",
"type": "image/png"
},
{
"src": "<%= asset_path('favicon/android-chrome-72x72.png') %>",
"sizes": "72x72",
"type": "image/png"
},
{
"src": "<%= asset_path('favicon/android-chrome-96x96.png') %>",
"sizes": "96x96",
"type": "image/png"
},
{
"src": "<%= asset_path('favicon/android-chrome-144x144.png') %>",
"sizes": "144x144",
"type": "image/png"
},
{
"src": "<%= asset_path('favicon/android-chrome-192x192.png') %>",
"sizes": "192x192",
"type": "image/png"
},
{
"src": "<%= asset_path('favicon/android-chrome-256x256.png') %>",
"sizes": "256x256",
"type": "image/png"
},
{
"src": "<%= asset_path('favicon/android-chrome-384x384.png') %>",
"sizes": "384x384",
"type": "image/png"
},
{
"src": "<%= asset_path('favicon/android-chrome-512x512.png') %>",
"sizes": "512x512",
"type": "image/png"
}
],
"theme_color": "#ffffff",
"background_color": "#ffffff",
"display": "standalone"
}