# Use alpine:edge with node installed
FROM alpine:edge

# Install Node.js and Docker CLI
RUN apk add --no-cache \
    nodejs \
    npm \
    docker-cli \
    tzdata \
    bash

WORKDIR /app

# Copy the script
COPY balance.js .

# Install dependencies
RUN npm install --no-package-lock --omit=dev \
    axios \
    dockerode \
    commander \
    && npm cache clean --force

# Create non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodejs -u 1001 && \
    chown -R nodejs:nodejs /app

USER nodejs

ENV OFELIA_PORT=8080 \
    NODE_ENV=production

# Use exec form to ensure signals work properly
CMD ["node", "balance.js", "--interval", "60", "--apply"]