| # Edit this configuration file to define what should be installed on | |
| # your system. Help is available in the configuration.nix(5) man page | |
| # and in the NixOS manual (accessible by running ‘nixos-help’). | |
| { config, pkgs, ... }: | |
| { | |
| imports = | |
| [ # Include the results of the hardware scan. | |
| ./hardware-configuration.nix |
| Backup: | |
| docker exec -t -u postgres your-db-container pg_dumpall -c > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql | |
| Restore: | |
| cat your_dump.sql | docker exec -i your-db-container psql -Upostgres |
| // keepDoingSomething will keep trying to doSomething() until either | |
| // we get a result from doSomething() or the timeout expires | |
| func keepDoingSomething() (bool, error) { | |
| timeout := time.After(5 * time.Second) | |
| tick := time.Tick(500 * time.Millisecond) | |
| // Keep trying until we're timed out or got a result or got an error | |
| for { | |
| select { | |
| // Got a timeout! fail with a timeout error | |
| case <-timeout: |
