Use alpine 3.9 for building Docker images

Merge pull request golang-migrate#167 from arpando/fix/DocumentNilError

Fix document nil error

Merge pull request golang-migrate#150 from tsenart/atomic-migrations-…

…table-creation

postgres: Make `ensureVersionTable` atomic

Run `go mod tidy`

Fix broken build

    - `gem install` no longer recognizes the `--no-ri` and `--no-rdoc` options. Use `--no-document` instead.
    - References:
        - ruby/rubygems#2354
        - rubygems/bundler#6624

Merge pull request golang-migrate#145 from bobrovde/fix-clickhouse

Changed clickhouse migrations table struct

Merge branch 'deb'

Update dependencies

Merge pull request golang-migrate#114 from albenik/master

github.com/docker/docker package updated to api v1.37

Run `go mod tidy`