ticket #110 attempt 1

devplacepy/main.py

@@ -12,6 +12,7 @@ from fastapi import FastAPI, Request
 from fastapi.responses import HTMLResponse, RedirectResponse
 from fastapi.staticfiles import StaticFiles
 from fastapi.exceptions import RequestValidationError
+from starlette.middleware.gzip import GZipMiddleware
 from devplacepy.config import (
     STATIC_DIR,
     STATIC_VERSION,
@@ -609,6 +610,10 @@ async def response_timing(request: Request, call_next):
     response.headers["X-Response-Time"] = f"{(time.perf_counter() - start) * 1000:.1f}ms"
     return response
 
+
+app.add_middleware(GZipMiddleware, minimum_size=512, compresslevel=5)
+
+
 _home_cache = TTLCache(ttl=int(os.environ.get("DEVPLACE_HOME_CACHE_TTL", "60")), max_size=4)
 
 

devplacepy/static/js/components/AppChat.js

@@ -14,7 +14,7 @@ import { PubSubClient } from "../PubSubClient.js";
 const CHAT_CSS_ID = "chat-css";
 const TYPING_THROTTLE_MS = 1500;
 const TYPING_HIDE_MS = 4000;
-const AUTO_SCROLL_MARGIN_PX = 100;
+const AUTO_SCROLL_MARGIN_PX = 0;
 const STABILIZE_MAX_FRAMES = 300;
 const SEND_TIMEOUT_MS = 8000;
 const MOBILE_BREAKPOINT_PX = 768;

devplacepy/templates/docs/architecture-backend.html

@@ -11,7 +11,7 @@ How a request flows through middleware to a router, how the database layer is bu
 
 ## Middleware
 
-Six HTTP middlewares run as a stack around every request, listed outermost first. `response_timing` is the outermost and `refresh_db_snapshot` the innermost. Compression is handled by nginx in production; the Python application does not compress responses itself.
+Seven HTTP middlewares run as a stack around every request, listed outermost first. `response_timing` is the outermost, `refresh_db_snapshot` the innermost, and a `GZipMiddleware` (responses over 512 bytes) wraps the whole stack on top:
 
 | Middleware (outermost first) | Responsibility |
 |------------|----------------|

pyproject.toml

@@ -4,8 +4,7 @@ version = "1.0.0"
 description = "DevPlace - The Developer Social Network"
 requires-python = ">=3.12"
 dependencies = [
-    "fastapi>=0.110.0",
-    "starlette>=0.37.0",
+    "fastapi",
     "uvicorn[standard]",
     "jinja2",
     "python-multipart",