Enabled HTTPS and trying to redirect but getting 502 Bad Gateway

I’ve been trying to get my domain to redirect to HTTPS but I keep getting a 502 Bad Gateway error… Here’s my config:

server {
        listen 85 default_server;
        listen [::]:85 default_server;
        return 301 https://$server_name$request_uri;
server {

        listen 443 ssl;
        ssl_certificate /etc/letsencrypt/live/; # managed by Certbot
        ssl_certificate_key /etc/letsencrypt/live/; # managed by Certbot
        include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
        ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

        root /var/www/html;
        index index.php;

        client_max_body_size 100M;

        location / {
                # try_files $uri $uri/ =404;
                try_files $uri $uri/ /index.php?q=$uri&$args;

        error_page 404 /404.html;

        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
        root /usr/share/nginx/html;

        location ~ \.php$ {
                try_files $uri =404;
                fastcgi_split_path_info ^(.+\.php)(/.+)$;
                fastcgi_index index.php;
                include fastcgi_params;
        location ~ /\.ht {
                deny all;

I closed my session and reopened and now whenever I try to access the https version it does not open at all and just downloads the “index.php” file from Wordpress:

 * Front to the WordPress application. This file doesn't do anything, but loads
 * wp-blog-header.php which does and tells WordPress to load the theme.
 * @package WordPress

 * Tells WordPress to load the WordPress theme and output it.
 * @var bool
define('WP_USE_THEMES', true);

/** Loads the WordPress Environment and Template */
require( dirname( __FILE__ ) . '/wp-blog-header.php' );

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It looks like that your PHP is not being handled correctly.

I would recommend following the steps here on how to setup PHP-FPM with Nginx:

Depending on your PHP version and on your PHP-FPM config your php location should look something similar to this:

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php7.0-fpm.sock;

Regards, Bobby