Possibility to enable techs and services via API

* Environment variables for Exec

docker/docker.go

@@ -364,7 +364,7 @@ func (d *Driver) Create(name string, image string, volumePath string, HTTPPort i
 }
 
 // Exec runs command cmd with stdin if it's not empty.
-func (d *Driver) Exec(name string, cmd []string, stdin string) error {
+func (d *Driver) Exec(name string, cmd []string, stdin string, env []string) error {
 	if len(cmd) == 0 {
 		return errors.New("cmd needs at least one string in the slice")
 	}

docker/types.go

@@ -171,12 +171,12 @@ func (c *Container) Delete() error {
 func (c *Container) SetPassword(password string) error {
 	driver := c.getDriver()
 
-	err := driver.Exec(c.App.Name, []string{"chpasswd"}, appUsername+":"+password)
+	err := driver.Exec(c.App.Name, []string{"chpasswd"}, appUsername+":"+password, []string{})
 	if err != nil {
 		return err
 	}
 
-	err = driver.Exec(c.App.Name, []string{"tee", passwordFile}, password)
+	err = driver.Exec(c.App.Name, []string{"tee", passwordFile}, password, []string{})
 	if err != nil {
 		return err
 	}
@@ -191,26 +191,35 @@ func (c *Container) SetFileContent(filename string, text string, mode string) er
 
 	directory := path.Dir(filename)
 
-	err := driver.Exec(c.App.Name, []string{"mkdir", "-p", directory}, "")
+	err := driver.Exec(c.App.Name, []string{"mkdir", "-p", directory}, "", []string{})
 	if err != nil {
 		return err
 	}
 
-	err = driver.Exec(c.App.Name, []string{"tee", filename}, text)
+	err = driver.Exec(c.App.Name, []string{"tee", filename}, text, []string{})
 	if err != nil {
 		return err
 	}
 
-	err = driver.Exec(c.App.Name, []string{"chown", directory, "app:app"}, "")
+	err = driver.Exec(c.App.Name, []string{"chown", directory, "app:app"}, "", []string{})
 	if err != nil {
 		return err
 	}
 
-	err = driver.Exec(c.App.Name, []string{"chown", filename, "app:app"}, "")
+	err = driver.Exec(c.App.Name, []string{"chown", filename, "app:app"}, "", []string{})
 	if err != nil {
 		return err
 	}
 
-	err = driver.Exec(c.App.Name, []string{"chmod", mode, filename}, "")
+	err = driver.Exec(c.App.Name, []string{"chmod", mode, filename}, "", []string{})
+	return err
+}
+
+// SetTechnology prepares container for given technology (Python, PHP, Node.js, ...)
+// Where tech can be php, python or node and latest available version is used.
+func (c *Container) SetTechnology(tech string) error {
+	driver := c.getDriver()
+
+	err := driver.Exec(c.App.Name, []string{"su", "app", "-c", "rosti " + tech}, "", []string{})
 	return err
 }

main.go

@@ -317,6 +317,62 @@ func main() {
 		return c.JSON(http.StatusOK, Message{Message: "ok"})
 	})
 
+	e.PUT("/v1/apps/:name/set-services", func(c echo.Context) error {
+		name := c.Param("name")
+
+		quickServices := &QuickServices{}
+		err := c.Bind(quickServices)
+		if err != nil {
+			return c.JSONPretty(http.StatusBadRequest, Message{Message: err.Error()}, JSONIndent)
+		}
+
+		app, err := apps.Get(name)
+		if err != nil {
+			return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
+		}
+
+		container := docker.Container{
+			App: app,
+		}
+
+		if quickServices.Python {
+			err = container.SetTechnology("python")
+			if err != nil {
+				return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
+			}
+		}
+
+		if quickServices.PHP {
+			err = container.SetTechnology("php")
+			if err != nil {
+				return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
+			}
+		}
+
+		if quickServices.Node {
+			err = container.SetTechnology("node")
+			if err != nil {
+				return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
+			}
+		}
+
+		if quickServices.Memcached {
+			err = container.SetTechnology("memcached")
+			if err != nil {
+				return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
+			}
+		}
+
+		if quickServices.Redis {
+			err = container.SetTechnology("redis")
+			if err != nil {
+				return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
+			}
+		}
+
+		return c.JSON(http.StatusOK, Message{Message: "ok"})
+	})
+
 	// Rebuilds existing app, it keeps the data but created the container again
 	e.PUT("/v1/apps/:name/rebuild", func(c echo.Context) error {
 		name := c.Param("name")

types.go

@@ -23,3 +23,12 @@ type templateData struct {
 type Password struct {
 	Password string `json:"password"`
 }
+
+// QuickServices comes from client and say what technology or service enable in the container
+type QuickServices struct {
+	Python    bool `json:"python"`
+	Node      bool `json:"node"`
+	PHP       bool `json:"php"`
+	Memcached bool `json:"memcached"`
+	Redis     bool `json:"redis"`
+}