FROM docker.io/library/golang:1.25-bookworm

WORKDIR /app

# Install wgo for live reloading with retry logic
RUN for i in 1 2 3 4 5; do \
        echo "Attempt $i to install wgo..." && \
        go install github.com/bokwoon95/wgo@latest && break || \
        (echo "Install failed, retrying in 5s..." && sleep 5); \
    done

# Copy module files first for caching
COPY server-go/go.mod server-go/go.sum ./server-go/
WORKDIR /app/server-go
RUN go mod download

# Copy the rest of the source
COPY server-go/ .

# Expose port
EXPOSE 4000
ENV PORT=4000

# Run app directly for stability test
CMD ["go", "run", "main.go"]