Revert back old Dockerfile

Merge branch 'dev' of github.com:AlexAkulov/clickhouse-backup into dev

add curl to default installation for help to debug

Signed-off-by: Slach <bloodjazman@gmail.com>

Fixed bug with semaphore in server mode

Added TLS support for clickhouse and api

Improved API server

Merge branch 'master' of github.com:AlexAkulov/clickhouse-backup

fix readme

Removed commit sha from rpm/deb name

improved integration tests