nginx 404 error on all wordpress posts and pages except homepage

Hello;

I followed this tutorial https://www.wphuman.com/setting-up-wordpress-on-lemp-for-beginners/ to set up nginx for my wordpress blog but unfortunately i have been having 404 errors everywhere.

common.conf

port_in_redirect off;
server_tokens off;
autoindex off;
 
add_header X-XSS-Protection "1; mode=block";
add_header X-Frame-Options DENY;
add_header X-Content-Type-Options nosniff;
 
client_max_body_size 64m;
client_body_buffer_size 128k;
 
index index.php index.html index.htm;
 
log_not_found off;
access_log off;
 
expires 86400s;
add_header Pragma public;
add_header Cache-Control "max-age=86400, public, must-revalidate, proxy-revalidate";
 
error_page 403 = 404;
 
location / {
    try_files $uri $uri/ /index.php?$args;
}
 
location ~ /(.|wp-config.php|readme.html|licence.txt) {
    return 404;
}
 
rewrite /wp-admin$ $scheme://$host$uri/ permanent;
 
location ~ /favicon.ico {
    log_not_found off;
    access_log off;
}
 
location = /robots.txt {
    allow all;
    log_not_found off;
    access_log off;
}
 
location ~* ^.+.(css|js)$ {
    rewrite ^(.+).(d+).(css|js)$ $1.$3 last;
    expires 24h;
    access_log off;
    log_not_found off;
    add_header Pragma public;
    add_header Cache-Control "public";
}
 
location ~* .(asf|asx|wax|wmv|wmx|avi|bmp|class|divx|doc|docx|eot|exe|gif|gz|gzip|ico|jpg|jpeg|jpe|mdb|mid|midi|mov|qt|mp3|m4a|mp4|m4v|mpeg|mpg|mpe|mpp|odb|odc|odf|odg|odp|ods|odt|ogg|ogv|otf|pdf|png|pot|pps|ppt|pptx|ra|ram|svg|svgz|swf|tar|t?gz|tif|tiff|ttf|wav|webm|wma|woff|wri|xla|xls|xlsx|xlt|xlw|zip)$ {
    expires 24h;
    access_log off;
    log_not_found off;
    add_header Pragma public;
    add_header Cache-Control "public";
}
 
location ~ /. {
    deny all;
    access_log off;
    log_not_found off;
}
 
location ~* /(?:uploads|files)/.*.php$ {
    deny all;
}

here is the one for my domain.conf

server {
    # Configure the domain that will run WordPress
    listen 80;
    listen [::]:80;
    server_name www.healthable.org;
 
error_log /src/www/healthable.org/logs/nginx.error.log;
access_log /src/www/healthable.org/logs/nginx.access.log;
 
# WordPress needs to be in the webroot of /src/www/healthable.org/public in this case
root /src/www/healthable.org/public;
 
 # pass PHP scripts to Fastcgi listening on Unix socket
 # Do not process them if inside WP uploads directory
 # If using Multisite or a custom uploads directory,
 # please set the */uploads/* directory in the regex below
 location ~* (^(?!(?:(?!(php|inc)).)*/uploads/).*?(php)) {
    try_files $uri $uri/ /index.php?q=$uri&$args;
    fastcgi_split_path_info ^(.+.php)(/.+)$;
    fastcgi_pass unix:/var/run/php5-fpm.sock;
    fastcgi_index index.php;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    include fastcgi_params;
    fastcgi_intercept_errors on;
    fastcgi_ignore_client_abort off;
    fastcgi_connect_timeout 60;
    fastcgi_send_timeout 180;
    fastcgi_read_timeout 180;
    fastcgi_buffer_size 128k;
    fastcgi_buffers 4 256k;
    fastcgi_busy_buffers_size 256k;
    fastcgi_temp_file_write_size 256k;
}
 
include sites-available/common.conf;
}