Migrate to OpenTofu

Author: pst

oci/Dockerfile

@@ -31,10 +31,8 @@ ARG KUBECTL_VERSION=v1.31.3
 # https://github.com/kubernetes-sigs/kustomize/releases
 ARG KUSTOMIZE_VERSION=v5.5.0
 
-# https://www.terraform.io/downloads.html
-# 1.5.x is the last OSS Terraform
-# do not update major or minor!
-ARG TERRAFORM_VERSION=1.5.7
+# https://github.com/opentofu/opentofu/releases
+ARG OPENTOFU_VERSION=1.11.5
 
 RUN echo "KUBECTL_VERSION: ${KUBECTL_VERSION}" \
     && curl -LO https://dl.k8s.io/${KUBECTL_VERSION}/kubernetes-client-linux-${TARGETARCH}.tar.gz \
@@ -49,11 +47,12 @@ RUN echo "KUSTOMIZE_VERSION: ${KUSTOMIZE_VERSION}" \
     && mv kustomize /opt/bin/kustomize \
     && /opt/bin/kustomize version
 
-RUN echo "TERRAFORM_VERSION: ${TERRAFORM_VERSION}" \
-    && curl -LO https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_${TARGETARCH}.zip \
-    && unzip terraform_${TERRAFORM_VERSION}_linux_${TARGETARCH}.zip -d /opt/bin \
-    && chmod +x /opt/bin/terraform \
-    && /opt/bin/terraform version
+RUN echo "OPENTOFU_VERSION: ${OPENTOFU_VERSION}" \
+    && curl -LO https://github.com/opentofu/opentofu/releases/download/v${OPENTOFU_VERSION}/tofu_${OPENTOFU_VERSION}_linux_${TARGETARCH}.tar.gz \
+    && tar -xf tofu_${OPENTOFU_VERSION}_linux_${TARGETARCH}.tar.gz \
+    && mv tofu /opt/bin/tofu \
+    && chmod +x /opt/bin/tofu \
+    && /opt/bin/tofu version
 
 COPY oci/entrypoint oci/entrypoint_user /opt/bin/