fixed: cors error (finnaly) && minor bugs, add: custom wrapper for VATSIM fetcher && code moved to src folder && docker

src/app.py

@@ -0,0 +1,40 @@
+from flask import Flask, render_template, abort, request, jsonify
+import requests
+
+
+app = Flask(__name__)
+VATSIM_API_URL = "https://api.vatsim.net/v2/"
+
+
+@app.route("/")
+def index_page():
+    return render_template("index.html")
+
+
+@app.errorhandler(404)
+def errorhandler_page(_):
+    return render_template("4O4.html"), 404
+
+# Custom wrapper to fetch VATSIM data
+@app.route("/api/request")
+def request_handler():
+    request_string = request.args.get("request_string")
+
+    if request_string:
+        return requests.get(f"{VATSIM_API_URL}{request_string}").json()
+    
+    return jsonify({"result": "not found"})
+
+
+@app.route("/<int:cid>/")
+def viewer_page(cid):
+    user = requests.get(f"{VATSIM_API_URL}members/{cid}").json()
+
+    if "detail" in user and user["detail"] == "Not Found":
+        return abort(404)
+
+    return render_template("viewer.html", data=(user, ))
+
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=80)