Reverse Proxy for odoo with nginx, two domains and ssl configuration

#proxying requests to other server.
upstream webserver {
    server 127.0.0.1:8069 weight=1 fail_timeout=600s;
}

#server listening 80 port
server {

    listen 80;
    server_name example.com;

    # Strict Transport Security
    add_header Strict-Transport-Security max-age=2592000;
    
    #redirect to htts
    rewrite ^/.*$ https://$host$request_uri? permanent;

   location / {
        proxy_pass http://127.0.0.1:8069;
    	proxy_read_timeout 300000;
		
   }
}

#server listening 443 port for domain 1
server {
   listen 443;
   server_name example.com;

   keepalive_timeout  60;


   # Specifies the maximum accepted body size of a client request,
    # as indicated by the request header Content-Length.
    client_max_body_size 200m;

    ssl on; #ssl certs
    ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

# increase proxy buffer to handle some OpenERP web requests
    proxy_buffers 16 64k;
    proxy_buffer_size 128k;


    # Redirect non-https traffic to https
    if ($scheme != "https") {
        return 301 https://$host$request_uri;
    } 



   location / {
        proxy_pass    http://webserver;
        # force timeouts if the backend dies
        proxy_next_upstream error timeout invalid_header http_500 http_502 http_503;

        # set headers
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forward-For $proxy_add_x_forwarded_for;

        # Let the OpenERP web service know that we're using HTTPS, otherwise
        # it will generate URL using http:// and not https://
        proxy_set_header X-Forwarded-Proto https;

        # by default, do not forward anything
        proxy_redirect off;
        proxy_read_timeout 300000;
    }

    # cache some static data in memory for 60mins.
    # under heavy load this should relieve stress on the OpenERP web interface a bit.
    location ~* /web/static/ {
        proxy_cache_valid 200 60m;
        proxy_buffering    on;
        expires 864000;
        proxy_pass http://webserver;
        proxy_read_timeout 300000;
    }

}

#server listening 443 port for domain 2
server {
   listen 443;
   server_name example1.com;

   keepalive_timeout  60;


   # Specifies the maximum accepted body size of a client request,
    # as indicated by the request header Content-Length.
    client_max_body_size 200m;

    ssl on;  #ssl certs
    ssl_certificate /etc/letsencrypt/live/example1.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/example1.com/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
    
# increase proxy buffer to handle some OpenERP web requests
    proxy_buffers 16 64k;
    proxy_buffer_size 128k;


    # Redirect non-https traffic to https
    if ($scheme != "https") {
        return 301 https://$host$request_uri;
    } # managed by Certbot



   location / {
        proxy_pass    http://webserver;
        # force timeouts if the backend dies
        proxy_next_upstream error timeout invalid_header http_500 http_502 http_503;

        # set headers
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forward-For $proxy_add_x_forwarded_for;

        # Let the OpenERP web service know that we're using HTTPS, otherwise
        # it will generate URL using http:// and not https://
        proxy_set_header X-Forwarded-Proto https;

        # by default, do not forward anything
        proxy_redirect off;
        proxy_read_timeout 300000;
    }

    # cache some static data in memory for 60mins.
    # under heavy load this should relieve stress on the OpenERP web interface a bit.
    location ~* /web/static/ {
        proxy_cache_valid 200 60m;
        proxy_buffering    on;
        expires 864000;
        proxy_pass http://webserver;
        proxy_read_timeout 300000;
    }
}