Set API path based on access address (#568)

* Make api paths relative

* Remove request import

* Set publicPath to be relative

server/app/web/templates/swagger.html

@@ -73,7 +73,7 @@
 <script>
 	window.onload = function () {
 		const ui = SwaggerUIBundle({
-			url: window.location.origin + "/api/swagger.json",
+			url: window.location.href.replace(/\/swagger$/, "") + "/api/swagger.json",
 			dom_id: '#swagger-ui',
 			deepLinking: true,
 			presets: [

server/app/web/webapp.py

@@ -1,5 +1,5 @@
 import os
-from flask import Blueprint, render_template, send_from_directory, current_app, request
+from flask import Blueprint, render_template, send_from_directory, current_app
 
 
 bp = Blueprint("webapp", __name__, template_folder="templates")
@@ -7,9 +7,8 @@ bp = Blueprint("webapp", __name__, template_folder="templates")
 
 @bp.route("/")
 def index():
-    url_base = request.url_root + "api/"
     dataset_title = current_app.config["DATASET_TITLE"]
-    return render_template("index.html", prefix=url_base, datasetTitle=dataset_title)
+    return render_template("index.html", datasetTitle=dataset_title)
 
 
 # renders swagger documentation