# syntax=docker/dockerfile:1.6

# --- Build stage ------------------------------------------------------------
FROM alpine:3.20 AS builder

# Example: building a tiny binary (optional)
RUN apk add --no-cache bash curl

WORKDIR /app
COPY . .

# Just a placeholder “build” step
RUN echo "Building example project..." && \
    echo "version: $(date -u +%Y-%m-%dT%H:%M:%SZ)" > version.txt

# --- Runtime stage ----------------------------------------------------------
FROM alpine:3.20

LABEL org.opencontainers.image.title="CI/CD Test Image" \
      org.opencontainers.image.description="Sample image to test Gitea Actions Docker build & push workflow" \
      org.opencontainers.image.licenses="MIT"

# Copy artifact from builder
COPY --from=builder /app/version.txt /usr/local/share/version.txt

RUN apk add --no-cache bash curl && \
    echo "Hello from the test image" > /usr/local/share/message.txt

ENTRYPOINT ["/bin/sh", "-c", "echo 'Container started ✅'; cat /usr/local/share/message.txt; cat /usr/local/share/version.txt"]