Merge pull request #28 from erseco/change-chown-semicolon

Cherry-pick: Fix chown command to use colon for user and group separation

Dockerfile

@@ -59,9 +59,8 @@ RUN apk --no-cache add \
 # Remove default server definition
     && rm /etc/nginx/http.d/default.conf \
 # Make sure files/folders needed by the processes are accessable when they run under the nobody user
-    && chown -R nobody.nobody /run \
-    && chown -R nobody.nobody /var/lib/nginx \
-    && chown -R nobody.nobody /var/log/nginx
+    && mkdir -p /run /var/lib/nginx /var/www/html /var/log/nginx \
+    && chown -R nobody:nobody /run /var/lib/nginx /var/www/html /var/log/nginx
 
 # Add configuration files
 COPY --chown=nobody rootfs/ /