[WIP] Feat/docker image with gcloud (#412)

Author: ShubyM

images/kubectl-ai/Dockerfile

@@ -1,8 +1,8 @@
-# Compile kubectl-ai
-FROM golang:1.24.3 AS builder
+ARG GO_VERSION=1.24.3
 
-WORKDIR /src
+FROM golang:${GO_VERSION}-bookworm as builder
 
+WORKDIR /src
 COPY go.mod go.sum ./
 COPY gollm/ ./gollm/
 RUN go mod download
@@ -12,7 +12,6 @@ COPY pkg/ ./pkg/
 
 RUN CGO_ENABLED=0 go build -o kubectl-ai ./cmd/
 
-# kubectl tool
 FROM debian:bookworm-slim AS kubectl-tool
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install -y --no-install-recommends curl ca-certificates && \
@@ -23,19 +22,16 @@ WORKDIR /opt/tools/kubectl
 RUN curl -L -v https://dl.k8s.io/release/v1.33.0/bin/linux/amd64/kubectl -o /opt/tools/kubectl/bin/kubectl
 RUN chmod +x /opt/tools/kubectl/bin/kubectl
 
-# Actual kubectl-ai image
-FROM debian:bookworm-slim
+FROM gcr.io/google.com/cloudsdktool/google-cloud-cli:slim as runtime
 
-ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends google-cloud-cli-gke-gcloud-auth-plugin && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
 
 COPY --from=builder /src/kubectl-ai /bin/kubectl-ai
 COPY --from=kubectl-tool /opt/tools/kubectl/ /opt/tools/kubectl/
 
 RUN ln -sf /opt/tools/kubectl/bin/kubectl /bin/kubectl
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    ca-certificates && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*
-
 ENTRYPOINT [ "/bin/kubectl-ai" ]