diff --git a/Dockerfile b/Dockerfile
index a9f2330c..15b2a8a9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,3 +30,4 @@ FROM gcr.io/distroless/static:nonroot
 COPY --from=build --chown=nonroot /go/src/alloydb-auth-proxy/alloydb-auth-proxy /alloydb-auth-proxy
 # set the uid as an integer for compatibility with runAsNonRoot in Kubernetes
 USER 65532
+ENTRYPOINT ["/alloydb-auth-proxy"]
diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index 9511fa9f..cd840a50 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -38,3 +38,4 @@ RUN addgroup -g 65532 -S nonroot && adduser -u 65532 -S nonroot -G nonroot
 USER 65532
 
 COPY --from=build --chown=nonroot /go/src/alloydb-auth-proxy/alloydb-auth-proxy /alloydb-auth-proxy
+ENTRYPOINT ["/alloydb-auth-proxy"]
diff --git a/Dockerfile.buster b/Dockerfile.buster
index c20d9fc1..5cff1ae9 100644
--- a/Dockerfile.buster
+++ b/Dockerfile.buster
@@ -36,3 +36,4 @@ RUN groupadd -g 65532 -r nonroot && useradd -u 65532 -g 65532 -r nonroot
 USER 65532
 
 COPY --from=build --chown=nonroot /go/src/alloydb-auth-proxy/alloydb-auth-proxy /alloydb-auth-proxy
+ENTRYPOINT ["/alloydb-auth-proxy"]