# Stage 1: Build Go binary
FROM golang:1.23-alpine AS builder
WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -o /portainer-deploy main.go

# Stage 2: Runtime container
FROM alpine:3.20
RUN apk add --no-cache ca-certificates
COPY --from=builder /portainer-deploy /usr/local/bin/portainer-deploy
USER nobody
ENTRYPOINT ["/usr/local/bin/portainer-deploy"]