Use ADD instead of Curl (#250)

Dockerfile

@@ -8,30 +8,30 @@ FROM base AS build
 # Make sure to fail due to an error at any stage in shell pipes
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
+# renovate: datasource=repology depName=debian_12/unzip versioning=deb
+ENV UNZIP_VERSION=6.0
+
+# Install necessary dependencies
+RUN apt-get update -y && \
+  apt-get install -y --no-install-recommends unzip=${UNZIP_VERSION}-28
+
 # Install Terraform
 
-# renovate: datasource=repology depName=debian_12/curl versioning=deb
-ENV CURL_VERSION=7.88.1-10+deb12u6
 # renovate: datasource=github-releases depName=hashicorp/terraform extractVersion=^v(?<version>.*)$
 ENV TERRAFORM_VERSION=1.9.4
-# renovate: datasource=repology depName=debian_12/unzip versioning=deb
-ENV UNZIP_VERSION=6.0
 
-RUN apt-get update -y && \
-  # Install necessary dependencies
-  apt-get install -y --no-install-recommends curl=${CURL_VERSION} unzip=${UNZIP_VERSION}-28 && \
-  # Download Terraform
-  curl -o /tmp/terraform.zip https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip && \
-  unzip /tmp/terraform.zip -d /tmp && \
+# Download Terraform
+ADD https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip /tmp/terraform.zip
+RUN unzip /tmp/terraform.zip -d /tmp && \
   rm /tmp/terraform.zip
 
 # Install tflint
 
 # renovate: datasource=github-releases depName=terraform-linters/tflint extractVersion=^v(?<version>.*)$
 ENV TFLINT_VERSION=0.53.0
 
-RUN curl -Lo /tmp/tflint.zip https://github.com/terraform-linters/tflint/releases/download/v${TFLINT_VERSION}/tflint_linux_amd64.zip && \
-  unzip /tmp/tflint.zip -d /tmp && \
+ADD https://github.com/terraform-linters/tflint/releases/download/v${TFLINT_VERSION}/tflint_linux_amd64.zip /tmp/tflint.zip
+RUN unzip /tmp/tflint.zip -d /tmp && \
   rm /tmp/tflint.zip