update Dockerfile and requirements.txt

Dockerfile

@@ -1,14 +1,18 @@
 FROM alpine:latest
 
 # Install dependencies
-RUN apk update && apk add git build-base linux-headers python3 python3-dev py3-pip chromium chromium-chromedriver
+RUN apk update && apk add git build-base linux-headers python3 python3-dev py3-pip py3-opencv chromium chromium-chromedriver
 
 # Set working directory
 WORKDIR /app
 
+# Create virtual environment
+# RUN python3 -m venv .venv
+# ENV PATH="/app/.venv/bin:$PATH"
+
 # Install pip dependencies
 COPY requirements.txt .
-RUN python3 -m venv .venv && source .venv/bin/activate && pip3 install -r requirements.txt
+RUN pip3 install --break-system-packages -r requirements.txt
 
 # Copy source code
 COPY . .

requirements.txt

@@ -4,4 +4,3 @@ pytz
 git+https://github.com/muskit/tweety.git
 tweepy
 tweet-capture
-opencv-python-headless