Merge pull request 'Fix: Update container image dependencies' (#7) from experimental into main

Reviewed-on: #7

dockerfile

@@ -18,13 +18,13 @@ COPY requirements.txt .
 RUN --mount=type=cache,target=/root/.cache/pip \
     pip install --no-cache-dir -r requirements.txt
 
-# Final stage - using smaller base image
-FROM python:3.11-alpine3.18
+# Final stage - using slim
+FROM python:3.11-slim
 
 # Install minimal runtime dependencies
-RUN apk add --no-cache \
+RUN apt-get update && apt-get install -y --no-install-recommends \
     tini \
-    && rm -rf /var/cache/apk/*
+    && rm -rf /var/lib/apt/lists/*
 
 # Set working directory
 WORKDIR /app
@@ -34,18 +34,22 @@ COPY --from=builder /opt/venv /opt/venv
 ENV PATH="/opt/venv/bin:$PATH"
 
 # Create a non-root user
-RUN addgroup -S bot && adduser -S bot -G bot
+RUN groupadd -r bot && useradd -r -g bot bot
 
 # Copy necessary files
 COPY --chown=bot:bot *.py ./
 COPY --chown=bot:bot entrypoint.sh ./
-# Add other necessary directories/files as needed
 
 # Create directories for persistent storage
 RUN mkdir -p logs embed && \
     chown -R bot:bot /app logs embed && \
     chmod -R 777 /app logs embed
 
+# Create and set permissions for matplotlib config directory
+RUN mkdir -p /tmp/matplotlib && \
+    chown -R bot:bot /tmp/matplotlib && \
+    chmod -R 777 /tmp/matplotlib
+
 # Switch to non root user
 USER bot
 
@@ -54,6 +58,8 @@ ENV PYTHONUNBUFFERED=1
 ENV CONFIG_PATH=/app/config.ini
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONPYCACHEPREFIX=/tmp
+ENV MPLCONFIGDIR=/tmp/matplotlib
+ENV MPLBACKEND=Agg
 
 # Run the bot using tini and entrypoint script
 ENTRYPOINT ["tini", "--", "/bin/sh", "entrypoint.sh"]