# Development Dockerfile with shell access
# Uses Alpine instead of scratch for debugging

# Build stage - same as production
FROM golang:1.24-alpine AS builder

# Install git and ca-certificates (needed for fetching dependencies and HTTPS)
RUN apk add --no-cache git ca-certificates tzdata file

# Create a non-root user
RUN adduser -D -u 1000 appuser

# Set the working directory
WORKDIR /app

# Copy go mod files
COPY go.mod go.sum ./

# Download dependencies
RUN go mod download

# Copy source code
COPY . .

# Build the application
# Disable CGO for a fully static binary
# Use linker flags to reduce binary size and embed version info
ARG VERSION=dev
ARG BUILD_TIME
ARG GIT_COMMIT
# Docker buildx automatically provides these for multi-platform builds
ARG BUILDPLATFORM
ARG TARGETPLATFORM  
ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT

# Debug: Show build information
RUN echo "Building for platform: $TARGETPLATFORM (OS: $TARGETOS, Arch: $TARGETARCH, Variant: $TARGETVARIANT)" \
&& echo "Build platform: $BUILDPLATFORM" \
&& echo "Go version: $(go version)"

RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build \
-ldflags="-s -w -X github.com/kjanat/articulate-parser/internal/version.Version=${VERSION} -X github.com/kjanat/articulate-parser/internal/version.BuildTime=${BUILD_TIME} -X github.com/kjanat/articulate-parser/internal/version.GitCommit=${GIT_COMMIT}" \
-o articulate-parser \
./main.go

# Verify the binary architecture
RUN file /app/articulate-parser || echo "file command not available"

# Development stage - uses Alpine for shell access
FROM alpine:3.21.3

# Install minimal dependencies
RUN apk add --no-cache ca-certificates tzdata

# Copy the binary
COPY --from=builder /app/articulate-parser /articulate-parser

# Copy the non-root user configuration
COPY --from=builder /etc/passwd /etc/passwd

# Switch to non-root user
USER appuser

# Set the binary as entrypoint
ENTRYPOINT ["/articulate-parser"]

# Default command shows help
CMD ["--help"]

# Add labels for metadata
LABEL org.opencontainers.image.title="Articulate Parser (Dev)"
LABEL org.opencontainers.image.description="Development version of Articulate Parser with shell access"
LABEL org.opencontainers.image.vendor="kjanat"
LABEL org.opencontainers.image.licenses="MIT"
LABEL org.opencontainers.image.source="https://github.com/kjanat/articulate-parser"
LABEL org.opencontainers.image.documentation="https://github.com/kjanat/articulate-parser/blob/master/DOCKER.md"