# Debug build with shell and tools
FROM golang:1.26-alpine AS builder

WORKDIR /build

COPY . .

# Build the application (static binary, no CGO, migrations embedded)
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
    -trimpath \
    -ldflags="-w -s" \
    -o aitrade \
    ./cmd/aitrade

# Build healthcheck utility
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
    -trimpath \
    -ldflags="-w -s" \
    -o healthcheck \
    ./cmd/healthcheck

# Debug runtime stage - Alpine with shell and debugging tools
FROM alpine:latest

# Install debugging tools
RUN apk add --no-cache \
    bash \
    curl \
    wget \
    netcat-openbsd \
    bind-tools \
    busybox-extras \
    ca-certificates \
    sqlite \
    tzdata

# Set working directory
WORKDIR /app

# Copy binary from builder (migrations are embedded in binary)
COPY --from=builder /build/aitrade /app/aitrade
COPY --from=builder /build/healthcheck /app/healthcheck

# Create non-root user with same UID as distroless (65532)
RUN addgroup -g 65532 nonroot && \
    adduser -D -u 65532 -G nonroot nonroot && \
    mkdir -p /app/data && \
    chown -R nonroot:nonroot /app

USER nonroot

# Expose web port
EXPOSE 8080

# Health check using custom binary
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD ["/app/healthcheck", "localhost", "8080"]

# Run application
ENTRYPOINT ["/app/aitrade"]