Docker: python slim + Debian chromium via CHROME_PATH

mcr.microsoft.com Playwright image pulls get reset on the Dokploy server.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Dockerfile

@@ -1,13 +1,18 @@
-# Playwright image ships Chromium + its OS deps for this exact Playwright version
-FROM mcr.microsoft.com/playwright/python:v1.49.0-noble
+# python slim + Debian chromium: pulls of the mcr.microsoft.com Playwright image get reset on our
+# Dokploy server (same fix as Capitation Amount Updater)
+FROM python:3.12-slim
+
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends chromium fonts-liberation tzdata \
+ && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 COPY . .
 
-# headless, bundled Chromium (no Google Chrome in the image)
-ENV HEADLESS=1 CHROME_CHANNEL= PYTHONUNBUFFERED=1 TZ=America/New_York
+# headless, system Chromium (Playwright's own browser download is not used)
+ENV HEADLESS=1 CHROME_PATH=/usr/bin/chromium PYTHONUNBUFFERED=1 TZ=America/New_York
 EXPOSE 8000
 # one worker: run state is kept in memory
 CMD ["gunicorn", "-w", "1", "--threads", "8", "-b", "0.0.0.0:8000", "--timeout", "120", "app:app"]

mek_recon.py

@@ -262,11 +262,14 @@ def run_site(site, locations):
     failed = []
     seen = {}  # file content -> location; two locations with identical exports = stale data
     with sync_playwright() as p:
-        # server/Docker: HEADLESS=1 and CHROME_CHANNEL="" (Playwright's bundled Chromium)
+        # server/Docker: HEADLESS=1 and CHROME_PATH=/usr/bin/chromium (Debian package)
         headless = os.environ.get("HEADLESS") == "1"
+        chrome_path = os.environ.get("CHROME_PATH")
         ctx = p.chromium.launch_persistent_context(
             str(ROOT / f".chrome_profile_{site.lower()}"),
-            channel=os.environ.get("CHROME_CHANNEL", "chrome") or None, headless=headless,
+            executable_path=chrome_path or None,
+            channel=None if chrome_path else os.environ.get("CHROME_CHANNEL", "chrome") or None,
+            headless=headless,
             accept_downloads=True, no_viewport=not headless,
             viewport={"width": 1440, "height": 900} if headless else None,
         )