# Start from the official Golang image for building ARG TARGETARCH=amd64 FROM golang:1.25 AS builder WORKDIR /app COPY . . # Build statically for Linux and selected architecture RUN GOOS=linux GOARCH=${TARGETARCH} CGO_ENABLED=0 go build -o haven-notify main.go # Use Alpine for running, with CA certificates for TLS FROM alpine:latest WORKDIR /app RUN apk --no-cache add ca-certificates COPY --from=builder /app/haven-notify . EXPOSE 8080 ENV WEBHOOK_URL="" ENTRYPOINT ["/app/haven-notify"]