Dockerfile.backend

# -------- Stage 1: Build --------
FROM golang:1.25-alpine AS builder
RUN apk add --no-cache git
WORKDIR /app

# Copy go mod files first for better caching
COPY go.mod go.sum ./
RUN go mod download

# Copy source
COPY . .

# Build the backend binary
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o gogent ./cmd/gogent

# -------- Stage 2: Runtime --------
FROM alpine:3.19
WORKDIR /app

# Copy the binary
COPY --from=builder /app/gogent /usr/local/bin/gogent

# Copy migrations directory
COPY --from=builder /app/migrations /app/migrations

# Copy system specs (functions/providers) so server can sync them at runtime
COPY --from=builder /app/system /app/system

# Optionally copy default env file (can be overridden by k8s env)
COPY config.example.env /app/config.env

ENV PORT=8080
EXPOSE 8080

CMD ["gogent", "--server"]