Update Dockerfile

Dockerfile

@@ -1,13 +1,49 @@
-FROM python:3.9
+FROM python:3.9-slim
 
+# create non-root user (optional)
 RUN useradd -m -u 1000 user
 
 WORKDIR /app
 
-COPY --chown=user ./requirements.txt requirements.txt
+# install system packages required by chrome + basic tools
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    wget \
+    gnupg \
+    unzip \
+    fonts-liberation \
+    libnss3 \
+    libxss1 \
+    libasound2 \
+    libatk1.0-0 \
+    libatk-bridge2.0-0 \
+    libcups2 \
+    libx11-xcb1 \
+    libxcomposite1 \
+    libxdamage1 \
+    libxrandr2 \
+    libgbm1 \
+    xdg-utils \
+    && rm -rf /var/lib/apt/lists/*
+
+# install Google Chrome stable
+RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
+ && echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" \
+    > /etc/apt/sources.list.d/google-chrome.list \
+ && apt-get update \
+ && apt-get install -y --no-install-recommends google-chrome-stable \
+ && rm -rf /var/lib/apt/lists/*
+
+# set environment variable so our code can pick up binary if needed
+ENV CHROME_BIN=/usr/bin/google-chrome-stable
 
+# install python dependencies
+COPY --chown=user ./requirements.txt requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
 COPY --chown=user . /app
 
+# optionally run as non-root user (uncomment if you want)
+# USER user
+
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]