FROM alpine:latest

# Install required dependencies
RUN apk add --no-cache \
    bash \
    curl \
    ca-certificates

# Create application directory
WORKDIR /app

# Copy monitoring script
COPY thinkcenter_monitor.sh /app/thinkcenter_monitor.sh

# Create log directory
RUN mkdir -p /var/log && chmod 755 /var/log

# Make script executable
RUN chmod +x /app/thinkcenter_monitor.sh

# Create a non-root user with uid 1000
RUN adduser -u 1000 -s /sbin/nologin -D appuser && \
    chown -R appuser:appuser /app

# Switch to non-root user
USER appuser

# Set the entrypoint
CMD ["/app/thinkcenter_monitor.sh"]