cmd/docker: instance the main context in main()

Explicitly create the context and set it on the CLI, instead of depending on
NewDockerCli() to instance a default context.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

cmd/docker/docker.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"net"
 	"os"
@@ -25,7 +26,9 @@ import (
 )
 
 func main() {
-	dockerCli, err := command.NewDockerCli()
+	ctx := context.Background()
+
+	dockerCli, err := command.NewDockerCli(command.WithBaseContext(ctx))
 	if err != nil {
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)