Adding a HOST_VIA_API env to override the API injection for the frontend

.gitignore

@@ -5,6 +5,7 @@
 *.so
 *.dylib
 /episodical
+/dist
 
 # Test binary, built with `go test -c`
 *.test

pkg/config/config.go

@@ -1,6 +1,7 @@
 package config
 
 import (
+	"fmt"
 	"log"
 	"os"
 	"strconv"
@@ -14,6 +15,7 @@ type Config struct {
 	DataFile       string
 	DataPassphrase string
 	Hostname       string
+	HostViaAPI     string
 	Port           int
 }
 
@@ -22,6 +24,7 @@ func New() *Config {
 		DataFile:       findDataFile(),
 		DataPassphrase: findDataPassphrase(),
 		Hostname:       findHostname(),
+		HostViaAPI:     findHostViaAPI(),
 		Port:           findPort(),
 	}
 }
@@ -50,6 +53,14 @@ func findHostname() string {
 	return host
 }
 
+func findHostViaAPI() string {
+	host := os.Getenv("HOST_VIA_API")
+	if host == "" {
+		return fmt.Sprintf("//%s:%d/", findHostname(), findPort())
+	}
+	return host
+}
+
 func findPort() int {
 	port, _ := strconv.Atoi(os.Getenv("PORT"))
 	if port < 10 {

pkg/server/assets.go

@@ -3,7 +3,6 @@ package server
 import (
 	"bytes"
 	"embed"
-	"fmt"
 	"net/http"
 	"path"
 	"strings"
@@ -35,7 +34,7 @@ func index(c *gin.Context) {
 	s := strings.Replace(
 		string(f),
 		"[EP_BASE_URL]",
-		fmt.Sprintf("//%s:%d/", conf.Hostname, conf.Port),
+		conf.HostViaAPI,
 		1,
 	)