feat: kubectl

debian/Dockerfile

@@ -1,3 +1,13 @@
+FROM debian:12-slim as kubectl
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        ca-certificates \
+        curl \
+    && rm -rf /var/lib/apt/lists/*
+RUN V="$(curl -sSL https://dl.k8s.io/release/stable.txt)" \
+    && curl -sSL \
+        -o /kubectl "https://dl.k8s.io/release/$V/bin/linux/amd64/kubectl"
+
 FROM debian:12-slim
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install -y --no-install-recommends \
@@ -6,5 +16,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         git \
         jq \
     && rm -rf /var/lib/apt/lists/*
+COPY --from=kubectl --chmod=0755 /kubectl /usr/local/bin/kubectl
 RUN useradd -m app
 USER app