Add try_files and 404 (#2)

Author: smashedr

README.md

@@ -30,6 +30,7 @@ Coming Soon...
 | STATIC      |        /static         | Nginx root directory                               |
 | SUID        |          1000          | Directory group/user ID                            |
 | NGINX_INDEX | `index.html index.htm` | Nginx directory index files                        |
+| ERROR_PAGE  |      `/404.html`       | Nginx 404 page, set `off` to disable               |
 | GZIP_TYPES  |          `*`           | Nginx gzip_types, set `off` to disable             |
 | GZIP_LENGTH |         `1000`         | Minimum content size to compress                   |
 | BASIC_AUTH  |           -            | Basic auth file contents                           |

src/10-setup.sh

@@ -14,21 +14,31 @@ echo "NGINX_INDEX: ${NGINX_INDEX:=$_NGINX_INDEX}"
 sed "s/NGINX_INDEX/${NGINX_INDEX:=$_NGINX_INDEX}/g" \
     -i /etc/nginx/nginx.conf
 
+rm -f /etc/nginx/conf.d/http.gzip.conf
+rm -f /etc/nginx/conf.d/location.auth.conf
+rm -f /etc/nginx/auth.users
+
 : "${GZIP_TYPES:=*}"
 echo "GZIP_TYPES: ${GZIP_TYPES}"
 if [ "${GZIP_TYPES}" != "off" ];then
-cat <<EOF > /etc/nginx/conf.d/http.gzip.conf
+cat <<EOF >> /etc/nginx/conf.d/http.gzip.conf
 gzip            on;
 gzip_proxied    any;
 gzip_min_length ${GZIP_LENGTH:-1000};
 gzip_types      ${GZIP_TYPES};
 EOF
 fi
 
+: "${ERROR_PAGE:=/404.html}"
+if [ "${ERROR_PAGE}" != "off" ];then
+    echo "ERROR_PAGE: ${ERROR_PAGE}"
+    echo "error_page 404 ${ERROR_PAGE};" >> /etc/nginx/conf.d/location.auth.conf
+fi
+
 if [ -n "${BASIC_AUTH}" ];then
 echo "BASIC_AUTH: ${BASIC_AUTH}"
 printf '%s' "${BASIC_AUTH}" > /etc/nginx/auth.users
-cat <<EOF > /etc/nginx/conf.d/location.auth.conf
+cat <<EOF >> /etc/nginx/conf.d/location.auth.conf
 auth_basic            "${BASIC_REALM:-Unauthorized}";
 auth_basic_user_file  /etc/nginx/auth.users;
 EOF

src/nginx.conf

@@ -26,6 +26,7 @@ http {
             root        /static;
             index       NGINX_INDEX;
             autoindex   on;
+            try_files   $uri $uri.html $uri/ =404;
             include     /etc/nginx/conf.d/location.*;
         }
     }