This gets barcodes working by installing GD.

docker/Dockerfile

@@ -3,7 +3,7 @@
 #############
 # Password is password for  & 
 
-# docker run -d --name bikebike --env VIRTUAL_HOST=bikebike.wvcompletestreets.org --expose 80 -v /home/freesource/public_html/bikebike:/usr/share/nginx/html nginx:1.11-alpine
+# docker run -d --name bikebike --env VIRTUAL_HOST=biketree.bikelover.org --expose 80 -v /somewhere/public_html/bikebike:/usr/share/nginx/html nginx:1.11-alpine
 
 FROM nginx:1.11-alpine
 

docker/Dockerfile-fpm

@@ -10,8 +10,9 @@ MAINTAINER Jonathan Rosenbaum <gnuser@gmail.com>
 # better hardwire www-data in the future in /etc/password
 # and make sure nginx also starts with same user
 RUN chown -R www-data:www-data /var/www/html; apk update; \
-    apk add php5-mysql; \
+    apk add php5-mysql php5-gd; \
     cp -a /etc/php5/*  /usr/local/etc/php; \
     cp /usr/lib/php5/modules/mysql.so  `php-config --extension-dir`/; \
+    cp /usr/lib/php5/modules/gd.so  `php-config --extension-dir`/; \
     sed -i 's/short_open_tag.*$/short_open_tag = On/' /usr/local/etc/php/php.ini;