* releases: update alpha dockerfiles to embed release tags
Change-Id: I2978d3ed77d1b768be24ec9194bc404cd92e4700
* release script use plain shell
Change-Id: Ie4ca6633014e3bf00ac0c82e28905174a6ade95b
* removed /scripts from .dockerignore
Change-Id: Ib555236d62fb3dc354689284ac4a032d5b4b3aa8
* switch back to bash
Change-Id: Ie0958cde71cd396f44ac28c177f48df0bea7ba22
* fix go1.12 modules
Change-Id: If4c8364e7271f09febd1a6c8bfc731d723d344d9
* make sure the work tree is clean
Change-Id: Ie6e52af28e2bc52880d92a3b574d1f859fc8e88e