FROM httpd:2.4

# Enable required modules
RUN sed -i \
  -e 's/^#LoadModule rewrite_module/LoadModule rewrite_module/' \
  -e 's/^#LoadModule headers_module/LoadModule headers_module/' \
  -e 's/^#LoadModule autoindex_module/LoadModule autoindex_module/' \
  -e 's/^#LoadModule alias_module/LoadModule alias_module/' \
  -e 's/^#LoadModule proxy_module/LoadModule proxy_module/' \
  -e 's/^#LoadModule proxy_http_module/LoadModule proxy_http_module/' \
  -e 's/^#LoadModule ssl_module/LoadModule ssl_module/' \
  /usr/local/apache2/conf/httpd.conf

# Configure autoindex + icons + .htaccess + unrestricted reverse-proxy permissions
RUN printf '\n# --- Custom for file listing + .htaccess ---\n\
AddDefaultCharset UTF-8\n\
\n\
Include conf/extra/httpd-autoindex.conf\n\
\n\
Alias /icons/ "/usr/local/apache2/icons/"\n\
<Directory "/usr/local/apache2/icons">\n\
    Require all granted\n\
</Directory>\n\
\n\
# Autoindex settings\n\
IndexOptions FancyIndexing FoldersFirst NameWidth=*\n\
\n\
<Directory "/usr/local/apache2/htdocs">\n\
    Options Indexes FollowSymLinks\n\
    IndexIgnore _*\n\
    AllowOverride All\n\
    Require all granted\n\
</Directory>\n\
\n\
# Allow RewriteRule [P] from trusted .htaccess files\n\
ProxyRequests Off\n\
ProxyVia Off\n\
SSLProxyEngine on\n\
<Proxy "*">\n\
    Require all granted\n\
</Proxy>\n' >> /usr/local/apache2/conf/httpd.conf

EXPOSE 80