Make thumbnails host configurable

README.md

@@ -52,6 +52,7 @@ DB_USER=dbuser DB_PASSWORD=pass DB_DB=htmlhouse PRIVATE_KEY=keys/dev PUBLIC_KEY=
 | `PORT` | Port to run app on | `8080` |
 | `STATIC_DIR` | Relative dir where static files are stored | `static` |
 | `AUTO_APPROVE` | Automatically approves public posts | false |
+| `PREVIEWS_HOST` | Fully-qualified URL (without trailing slash) of screenshot server | None. |
 | `TWITTER_KEY` | Twitter consumer key | `notreal` |
 | `TWITTER_SECRET` | Twitter consumer secret | `notreal` |
 | `TWITTER_TOKEN` | Twitter access token of the posting Twitter account | `notreal` |

config.go

@@ -19,6 +19,7 @@ type config struct {
 	ServerPort int    `env:"key=PORT default=8080"`
 
 	AutoApprove  bool   `env:"key=AUTO_APPROVE default=false"`
+	PreviewsHost string `env:"key=PREVIEWS_HOST`
 	AdminPass    string `env:"key=ADMIN_PASS default=uhoh"`
 	BrowseItems  int    `env:"key=BROWSE_ITEMS default=10"`
 

construction.go

@@ -89,7 +89,7 @@ func addPublicAccess(app *app, houseID, html string) error {
 	data := url.Values{}
 	data.Set("url", fmt.Sprintf("%s/%s.html", app.cfg.HostName, houseID))
 
-	u, err := url.ParseRequestURI("https://peeper.html.house")
+	u, err := url.ParseRequestURI(app.cfg.PreviewsHost)
 	u.Path = "/"
 	urlStr := fmt.Sprintf("%v", u)
 

models.go

@@ -10,6 +10,7 @@ type (
 		ID        string    `json:"id"`
 		Title     string    `json:"title"`
 		URL       string    `json:"url"`
+		thumbHost string    `json:"-"`
 		ThumbURL  string    `json:"thumb_url"`
 		Created   time.Time `json:"created"`
 		Updated   time.Time `json:"updated"`
@@ -30,6 +31,6 @@ type (
 func (h *PublicHouse) process(app *app) {
 	h.URL = fmt.Sprintf("%s/%s.html", app.cfg.HostName, h.ID)
 	if h.ThumbURL != "" {
-		h.ThumbURL = "https://peeper.html.house/" + h.ThumbURL
+		h.ThumbURL = fmt.Sprintf("%s/%s", app.cfg.PreviewsHost, h.ThumbURL)
 	}
 }

templates/browse.html

@@ -39,7 +39,7 @@
 		</header>
 
 		{{ range .Houses }}<div class="open-house">
-			<a href="/{{.ID}}.html"><img src="https://peeper.html.house/{{.ThumbURL}}" />
+			<a href="/{{.ID}}.html"><img src="{{.thumbHost}}/{{.ThumbURL}}" />
 			<div class="house-name">{{.Title}}</div></a>
 		</div>{{end}}