Fix OpenTofu version

.gitlab-ci.yml

@@ -12,7 +12,7 @@ stages:
 .versions:
   parallel:
     matrix:
-      - OPENTOFU_VERSION: '1.6'
+      - OPENTOFU_VERSION: '1.6.0'
       - OPENTOFU_VERSION: '1.6.0-rc1'
 
 variables:

Dockerfile

@@ -2,8 +2,6 @@ ARG BASE_IMAGE
 
 FROM $BASE_IMAGE
 
-ARG OPENTOFU_VERSION
-
 RUN apk add --no-cache \
   curl \
   gcompat \
@@ -16,9 +14,10 @@ RUN apk add --no-cache \
 # Install OpenTofu using the installer script in standalone mode
 # see https://opentofu.org/docs/intro/install/standalone
 # We may want to switch to installing manually from GitHub and verifying signature
+ARG OPENTOFU_VERSION
 RUN curl --proto '=https' --tlsv1.2 -fsSL https://get.opentofu.org/install-opentofu.sh -o install-opentofu.sh && \
     chmod +x install-opentofu.sh && \
-    OPENTOFU_VERSION=${OPENTOFU_VERSION} ./install-opentofu.sh --install-method standalone && \
+    ./install-opentofu.sh --install-method standalone --opentofu-version "${OPENTOFU_VERSION}" && \
     rm ./install-opentofu.sh && \
     tofu --version