feat: Add ability to override dockerfilePath in tbrc to build differe…

…nt version of services

README.md

@@ -148,8 +148,9 @@ Override schema:
   envVars: map   # A list of env vars to set for the service, will be merged with exisiting env vars
   preRun: string # Script to run before starting the service
   build:         # Configuration when building the service locally
-    command: string # Command to run when the container starts
-    target: string  #
+    command: string        # Command to run when the container starts
+    dockerfilePath: string # The path to the dockerfile to build the service locally
+    target: string         # The target to build in a multi-stage build
   remote:        # Configuration when pulling the service from a remote registry
     command: string  # Command to run when the container starts
     enabled: boolean # Whether or not to use remote version

service/service.go

@@ -3,6 +3,9 @@ package service
 import (
 	"errors"
 	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
 
 	"github.com/TouchBistro/tb/util"
 )
@@ -85,8 +88,9 @@ func (s Service) DockerName() string {
 }
 
 type BuildOverride struct {
-	Command string `yaml:"command"`
-	Target  string `yaml:"target"`
+	Command        string `yaml:"command"`
+	DockerfilePath string `yaml:"dockerfilePath"`
+	Target         string `yaml:"target"`
 }
 
 type RemoteOverride struct {
@@ -117,6 +121,16 @@ func (s Service) applyOverride(o ServiceOverride) (Service, error) {
 		s.Build.Command = o.Build.Command
 	}
 
+	if o.Build.DockerfilePath != "" {
+		dp := o.Build.DockerfilePath
+		// Local paths can be prefixed with ~ for convenience
+		if strings.HasPrefix(dp, "~") {
+			s.Build.DockerfilePath = filepath.Join(os.Getenv("HOME"), strings.TrimPrefix(dp, "~"))
+		} else {
+			s.Build.DockerfilePath = dp
+		}
+	}
+
 	if o.Build.Target != "" {
 		s.Build.Target = o.Build.Target
 	}