# Multi-architecture Dockerfile that uses pre-built binaries.

# This Dockerfile expects binaries to be built beforehand using:
# $ make release_build_cross

FROM alpine:3.19 AS final

# Create non-root user
RUN addgroup -S appgroup && adduser -S appuser -G appgroup

# Set working directory
WORKDIR /app

# Add runtime dependencies and prepare directories
RUN apk add --no-cache ca-certificates tzdata && \
    mkdir -p /app/config && \
    chown -R appuser:appgroup /app

ARG IMAGE_TAG
ENV IMAGE_TAG=${IMAGE_TAG}

# Optional suffix for selecting the CGO-enabled binary variant
# Empty by default (uses CGO-disabled binary). For CGO builds, pass: _cgo
# Fore more details, see .github/workflows/main-build.yml
ARG BINARY_SUFFIX=""

# Determine the architecture and copy the appropriate binary
ARG TARGETARCH
COPY release/path-linux-${TARGETARCH}${BINARY_SUFFIX} /app/path

# Set the binary as executable
RUN chmod +x /app/path

# Use non-root user
USER appuser

# Command to run
CMD ["./path"]