# GoChat Development Dockerfile
# Uses air for hot reload, mirrors Chatwoot dev pattern with volume mount

FROM golang:1.25.13-alpine

# Install air (hot reload tool) and development tools
RUN go install github.com/air-verse/air@v1.66.0 && apk add --no-cache git

WORKDIR /app

# Pre-download dependencies for faster rebuilds
COPY backend/go.mod backend/go.sum ./
COPY backend/internal/pgvector_stub/ ./internal/pgvector_stub/
RUN go mod download

# Full source mount via volume in compose — no COPY needed here
# air.toml config must exist in backend/ (project root for the Go module)
EXPOSE 3000

CMD ["air", "-c", ".air.toml"]