chore: use dumb-init to be pid1

1 files changed, 10 insertions, 1 deletions

diff --git a/Dockerfile b/Dockerfile
index f1f1a673..7c4ec9a5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,12 @@ FROM envoyproxy/envoy:v1.34-latest AS envoy-binary
 FROM golang:1.24-alpine AS minit-builder
 RUN go install github.com/xlgmokha/minit@latest
 
+# Build stage for getting dumb-init
+FROM debian:bookworm-slim AS dumb-init-builder
+RUN apt-get update && apt-get install -y wget && \
+    wget -O /usr/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.5/dumb-init_1.2.5_x86_64 && \
+    chmod +x /usr/bin/dumb-init
+
 # Final stage
 FROM gcr.io/distroless/base-debian12:nonroot
 EXPOSE 9901 10000 50051
@@ -24,4 +30,7 @@ COPY --from=authzd-builder /app/etc/envoy /etc/envoy
 COPY --from=authzd-builder /app/target/x86_64-unknown-linux-musl/release/authzd /bin/authzd
 COPY --from=envoy-binary /usr/local/bin/envoy /bin/envoy
 COPY --from=minit-builder /go/bin/minit /bin/minit
-ENTRYPOINT ["/bin/minit"]
+COPY --from=dumb-init-builder /usr/bin/dumb-init /usr/bin/dumb-init
+
+ENTRYPOINT ["/usr/bin/dumb-init", "--"]
+CMD ["/bin/minit"]