title: Upgrade to postgres96 on Alpine (/usr/bin/pg_dump: No such file or directory)
body: <p>I'm trying to upgrade postgres locally so I don't get a version mismatch error.  This is what i do:</p>
  
  <pre><code>echo "http://dl-5.alpinelinux.org/alpine/v3.5/main" &gt;&gt; /etc/apk/repositories;
  apk update
  
  bash-4.3# apk add postgresql-dev
  (1/4) Installing libressl2.4-libtls (2.4.4-r0)
  (2/4) Installing libressl-dev (2.4.4-r0)
  (3/4) Installing postgresql-libs (9.6.5-r0)
  (4/4) Installing postgresql-dev (9.6.5-r0)
  Executing busybox-1.24.2-r13.trigger
  OK: 353 MiB in 108 packages
  bash-4.3# pg_dump
  bash: /usr/bin/pg_dump: No such file or directory
  </code></pre>
  
  <p>I'm at a loss - any idea what the problem is please?</p>