feat(deploy): Adds the dry flag, which prints the evaluated compose file

cli/app/cp.go

@@ -31,6 +31,7 @@ var appCpCommand = cli.Command{
 	ArgsUsage: "<domain> <src> <dst>",
 	Flags: []cli.Flag{
 		internal.DebugFlag,
+		internal.OfflineFlag,
 		internal.NoInputFlag,
 	},
 	Before: internal.SubCommandBefore,

cli/app/deploy.go

@@ -9,6 +9,7 @@ import (
 	"coopcloud.tech/abra/pkg/config"
 	"coopcloud.tech/abra/pkg/envfile"
 	"coopcloud.tech/abra/pkg/secret"
+	"gopkg.in/yaml.v2"
 
 	appPkg "coopcloud.tech/abra/pkg/app"
 	"coopcloud.tech/abra/pkg/client"
@@ -26,6 +27,7 @@ var appDeployCommand = cli.Command{
 	Usage:     "Deploy an app",
 	ArgsUsage: "<domain> [<version>]",
 	Flags: []cli.Flag{
+		internal.DryFlag,
 		internal.DebugFlag,
 		internal.NoInputFlag,
 		internal.ForceFlag,
@@ -231,6 +233,15 @@ EXAMPLE:
 			warnMessages = append(warnMessages, "skipping domain checks as requested")
 		}
 
+		if internal.Dry {
+			out, err := yaml.Marshal(compose)
+			if err != nil {
+				log.Fatal(err)
+			}
+			fmt.Println(string(out))
+			return nil
+		}
+
 		if err := internal.DeployOverview(app, warnMessages, version, chaosVersion); err != nil {
 			log.Fatal(err)
 		}