More smaller docker image, then remove some conf.d files and add dockerignore

Author: orleika

.dockerignore

@@ -0,0 +1,2 @@
+.git
+conf.d

Dockerfile

@@ -94,9 +94,6 @@ RUN addgroup -S nginx \
   && rm -rf /tmp/*  /root/.gnupg
 
 COPY nginx.conf /etc/nginx/nginx.conf
-COPY headers_params /etc/nginx/conf.d/headers_params
-COPY proxy_params /etc/nginx/conf.d/proxy_params
-COPY ssl_params /etc/nginx/conf.d/ssl_params
 COPY default.conf /etc/nginx/sites-enabled/default.conf
 
 EXPOSE 80 443