Add kubectl 1.23 and remove 1.19

Dockerfile

@@ -21,22 +21,22 @@ RUN curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2
 ## Providing different kubectl versions to allow the user to choose
 ## which to use via environment variables.
 ##
-RUN curl -LO "https://dl.k8s.io/release/v1.19.15/bin/linux/amd64/kubectl" \
- && chmod +x kubectl \
- && mv kubectl /usr/local/bin/kubectl-1.19
-
-RUN curl -LO "https://dl.k8s.io/release/v1.20.11/bin/linux/amd64/kubectl" \
+RUN curl -LO "https://dl.k8s.io/release/v1.20.14/bin/linux/amd64/kubectl" \
  && chmod +x kubectl \
  && mv kubectl /usr/local/bin/kubectl-1.20
 
-RUN curl -LO "https://dl.k8s.io/release/v1.21.5/bin/linux/amd64/kubectl" \
+RUN curl -LO "https://dl.k8s.io/release/v1.21.8/bin/linux/amd64/kubectl" \
  && chmod +x kubectl \
  && mv kubectl /usr/local/bin/kubectl-1.21
 
-RUN curl -LO "https://dl.k8s.io/release/v1.22.2/bin/linux/amd64/kubectl" \
+RUN curl -LO "https://dl.k8s.io/release/v1.22.5/bin/linux/amd64/kubectl" \
  && chmod +x kubectl \
  && mv kubectl /usr/local/bin/kubectl-1.22
 
+RUN curl -LO "https://dl.k8s.io/release/v1.23.2/bin/linux/amd64/kubectl" \
+ && chmod +x kubectl \
+ && mv kubectl /usr/local/bin/kubectl-1.23
+
 ENV KUBECTL_VERSION=1.22
 
 COPY docker-entrypoint.sh /usr/local/bin/

README.md

@@ -31,10 +31,10 @@ On default, the latest available kubectl version is used when running `kubectl`.
 
 Currently available versions are
 
-* `KUBECTL_VERSION=1.19`
 * `KUBECTL_VERSION=1.20`
 * `KUBECTL_VERSION=1.21`
 * `KUBECTL_VERSION=1.22` (default)
+* `KUBECTL_VERSION=1.23`
 
 #### Kubernetes Example