nginx: Deploy nginx in a container

nginx.conf

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+worker_processes  auto;
+
+error_log  /var/log/nginx/error.log notice;
+pid        /var/run/nginx.pid;
+
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    sendfile            on;
+    tcp_nopush          on;
+    tcp_nodelay         on;
+    keepalive_timeout   65;
+    types_hash_max_size 2048;
+
+    include             /etc/nginx/mime.types;
+    default_type        application/octet-stream;
+
+    # Load modular configuration files from the /etc/nginx/conf.d directory.
+    # See http://nginx.org/en/docs/ngx_core_module.html#include
+    # for more information.
+    include /etc/nginx/conf.d/*.conf;
+
+    server {
+        listen       80 default_server;
+        listen       [::]:80 default_server;
+        server_name  _;
+        root         /usr/share/nginx/html;
+
+        return 301 https://$host$request_uri;
+
+        error_page 404 /404.html;
+            location = /40x.html {
+        }
+
+        error_page 500 502 503 504 /50x.html;
+            location = /50x.html {
+        }
+    }
+
+# Settings for a TLS enabled server.
+
+    server {
+        listen       443 ssl http2 default_server;
+        listen       [::]:443 ssl http2 default_server;
+        server_name  _;
+        root         /usr/share/nginx/html;
+
+        ssl_certificate "/etc/pki/nginx/server.crt";
+        ssl_certificate_key "/etc/pki/nginx/private/server.key";
+        ssl_session_cache shared:SSL:1m;
+        ssl_session_timeout  10m;
+        ssl_ciphers TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256:TLS_AES_128_CCM_SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-CCM:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-CCM:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:AES256-GCM-SHA384:AES256-CCM:AES128-GCM-SHA256:AES128-CCM:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES256-CCM:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-CCM:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:PSK-AES256-GCM-SHA384:PSK-CHACHA20-POLY1305:PSK-AES256-CCM:PSK-AES128-GCM-SHA256:PSK-AES128-CCM:PSK-AES256-CBC-SHA:PSK-AES128-CBC-SHA256:PSK-AES128-CBC-SHA:DHE-PSK-AES256-GCM-SHA384:DHE-PSK-CHACHA20-POLY1305:DHE-PSK-AES256-CCM:DHE-PSK-AES128-GCM-SHA256:DHE-PSK-AES128-CCM:DHE-PSK-AES256-CBC-SHA:DHE-PSK-AES128-CBC-SHA256:DHE-PSK-AES128-CBC-SHA:ECDHE-PSK-CHACHA20-POLY1305:ECDHE-PSK-AES256-CBC-SHA:ECDHE-PSK-AES128-CBC-SHA256:ECDHE-PSK-AES128-CBC-SHA:RSA-PSK-AES256-GCM-SHA384:RSA-PSK-CHACHA20-POLY1305:RSA-PSK-AES128-GCM-SHA256:RSA-PSK-AES256-CBC-SHA:RSA-PSK-AES128-CBC-SHA256:RSA-PSK-AES128-CBC-SHA;
+        ssl_prefer_server_ciphers on;
+
+        # Load configuration files for the default server block.
+        include /etc/nginx/default.d/*.conf;
+
+        error_page 404 /404.html;
+        location = /40x.html {
+        }
+
+        error_page 500 502 503 504 /50x.html;
+        location = /50x.html {
+        }
+    }
+
+}

nginx.container

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+[Unit]
+Description=nginx
+Wants=network.target
+After=network.target
+
+[Container]
+Image=docker.io/library/nginx:1.25
+User=101
+Group=101
+Volume=%E/nginx:/etc/nginx:ro
+Volume=%E/pki/nginx:/etc/pki/nginx:ro
+Tmpfs=/var/cache/nginx
+Tmpfs=/var/run/nginx
+ReadOnly=true
+AddCapability=CAP_NET_BIND_SERVICE
+Network=host
+
+[Service]
+Restart=always
+
+[Install]
+WantedBy=multi-user.target

nginx.yaml

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+variant: fcos
+version: 1.4.0
+
+storage:
+  files:
+  - path: /etc/containers/systemd/nginx.container
+    mode: 0644
+    contents:
+      local: nginx.container
+  - path: /etc/nginx/nginx.conf
+    mode: 0644
+    contents:
+      local: nginx.conf
+  directories:
+  - path: /etc/nginx/conf.d
+  - path: /etc/nginx/default.d
+  - path: /etc/pki/nginx