Support env vars (#16)

* add environment variables support

* remove unused code from version

.gitignore

@@ -16,3 +16,4 @@
 
 .idea
 gebug
+.gebug

cmd/init.go

@@ -26,6 +26,7 @@ var initCmd = &cobra.Command{
 			&input.PromptRuntimeImage{Config: currentConfig},
 			&input.PromptDebuggerOptions{Config: currentConfig},
 			&input.PromptExposePort{Config: currentConfig},
+			&input.PromptEnvironment{Config: currentConfig},
 			&input.PromptNetworks{Config: currentConfig},
 		}, workDir)
 

cmd/version.go

@@ -2,7 +2,6 @@ package cmd
 
 import (
 	"fmt"
-
 	"github.com/spf13/cobra"
 )
 

main.go

@@ -1,6 +1,8 @@
 package main
 
-import "github.com/moshebe/gebug/cmd"
+import (
+	"github.com/moshebe/gebug/cmd"
+)
 
 func main() {
 	err := cmd.Execute()

pkg/config/config.go

@@ -20,6 +20,7 @@ type Config struct {
 	DebuggerPort     int      `yaml:"debugger_port"`
 	ExposePorts      []string `yaml:"expose_ports"`
 	Networks         []string `yaml:"networks"`
+	Environment      []string `yaml:"environment"`
 }
 
 func updateBuildCommand(buildCommand string, debuggerEnabled bool) string {

pkg/config/config_test.go

@@ -138,6 +138,7 @@ expose_ports:
 - "8080"
 - 8081:8081
 networks: []
+environment: []
 `
 	c := Config{
 		Name:             "my-app",

pkg/config/render.go

@@ -49,6 +49,12 @@ services:
       - {{$value}}
     {{- end}}
 {{- end}}
+{{- if .Environment}}
+    environment:
+    {{- range $key, $value := .Environment}}
+      - {{$value}}
+    {{- end}}
+{{- end}}
 
 {{- if .Networks}}
 networks:

pkg/config/testdata/generate_docker_compose_3.golden

@@ -0,0 +1,21 @@
+version: '3'
+services:
+  gebug-my-app:
+    build:
+      context: ..
+      dockerfile: .gebug/Dockerfile
+    volumes:
+      - ../:/src:ro
+    ports:
+      - 8080
+    networks:
+      - frontend
+      - backend
+    environment:
+      - foo=bar
+      - hello
+networks:
+  frontend:
+    external: true
+  backend:
+    external: true

pkg/config/testdata/generate_docker_compose_3.in

@@ -0,0 +1,15 @@
+name: my-app
+output_binary: /app
+build_command: go build -o {{.output_binary}}
+runtime_image: golang:1.14
+run_command: '{{.output_binary}}'
+debugger_port: 40000
+debugger_enabled: false
+expose_ports:
+  - 8080
+environment:
+  - foo=bar
+  - hello
+networks:
+  - frontend
+  - backend

pkg/input/environment.go

@@ -0,0 +1,18 @@
+package input
+
+import (
+	"github.com/manifoldco/promptui"
+	"github.com/moshebe/gebug/pkg/config"
+)
+
+type PromptEnvironment struct {
+	*config.Config
+}
+
+func (p *PromptEnvironment) Run() error {
+	prompt := NewSelectWithAddAndRemove(&p.Environment, &promptui.SelectWithAdd{
+		Label:    "Define environment variables. Press existing choices to delete",
+		AddLabel: "Add environment variable (e.g: FOO[=BAR])",
+	})
+	return prompt.Run()
+}