FROM golang:1.26-alpine AS builder WORKDIR /app COPY go.mod go.sum ./ RUN go mod download COPY . . RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /out/sitesvc ./cmd FROM alpine:3.20 AS runner # Needed to verify the SMTP server's TLS certificate. RUN apk add --no-cache ca-certificates && \ addgroup --system --gid 1001 sitesvc && \ adduser --system --uid 1001 --ingroup sitesvc sitesvc COPY --from=builder /out/sitesvc /usr/local/bin/sitesvc USER sitesvc EXPOSE 8082 ENV PORT=8082 CMD ["/usr/local/bin/sitesvc"]