Font Awesome Icons are not showing in live

you copy and paste partial... the web fonts is not

yours app.css:

@import url(https://fonts.googleapis.com/css?family=Nunito);@charset "UTF-8";

/*!
 * Font Awesome Free 5.9.0 by @fontawesome - https://fontawesome.com
 * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
 */

.fa,
.fas,
.far,
.fal,
.fab {
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  display: inline-block;
  font-style: normal;
  font-variant: normal;
  text-rendering: auto;
  line-height: 1;
}

.fa-lg {
  font-size: 1.3333333333em;
  line-height: 0.75em;
  vertical-align: -0.0667em;
}

.fa-xs {
  font-size: 0.75em;
}

.fa-sm {
  font-size: 0.875em;
}

.fa-1x {
  font-size: 1em;
}

.fa-2x {
  font-size: 2em;
}

.fa-3x {
  font-size: 3em;
}

.fa-4x {
  font-size: 4em;
}

.fa-5x {
  font-size: 5em;
}

the fontawesome version:

/*!
 *  Font Awesome 4.7.0 by @davegandy - http://fontawesome.io - @fontawesome
 *  License - http://fontawesome.io/license (Font: SIL OFL 1.1, CSS: MIT License)
 */
/* FONT PATH
 * -------------------------- */
@font-face {
  font-family: 'FontAwesome';
  src: url('../fonts/fontawesome-webfont.eot?v=4.7.0');
  src: url('../fonts/fontawesome-webfont.eot?#iefix&v=4.7.0') format('embedded-opentype'), url('../fonts/fontawesome-webfont.woff2?v=4.7.0') format('woff2'), url('../fonts/fontawesome-webfont.woff?v=4.7.0') format('woff'), url('../fonts/fontawesome-webfont.ttf?v=4.7.0') format('truetype'), url('../fonts/fontawesome-webfont.svg?v=4.7.0#fontawesomeregular') format('svg');
  font-weight: normal;
  font-style: normal;
}
.fa {
  display: inline-block;
  font: normal normal normal 14px/1 FontAwesome;
  font-size: inherit;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
/* makes the font 33% larger relative to the icon container */
.fa-lg {
  font-size: 1.33333333em;
  line-height: 0.75em;
  vertical-align: -15%;
}
.fa-2x {
  font-size: 2em;
}
.fa-3x {
  font-size: 3em;
}
.fa-4x {
  font-size: 4em;
}
.fa-5x {
  font-size: 5em;
}

Then how can I solve it?

And you have installed incorrectly. Your .env file is exposed.

For instance, your database name is chaldal and app key is SiTkxXmr0H7CikkW2+Ut139iRfix6rl3Om1Z7Y6PKMI=