second first commit

compatibility-tests/compat-opentofu/Dockerfile

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+FROM ghcr.io/opentofu/opentofu:1.8 AS opentofu
+
+# Same CLI as compat-terraform: 2.15 predates the S3 checksum type (x-amz-checksum-type, December 2024)
+# and cannot show ChecksumType in head-object / get-object-attributes output.
+FROM amazon/aws-cli:2.34.32
+
+# Copy tofu binary from official OpenTofu image
+COPY --from=opentofu /usr/local/bin/tofu /usr/local/bin/tofu
+
+RUN yum install -y git jq
+
+WORKDIR /app
+
+# Install bats and helpers
+RUN git clone --depth 1 https://github.com/bats-core/bats-core.git /opt/bats-core \
+    && git clone --depth 1 https://github.com/bats-core/bats-support.git /opt/bats-support \
+    && git clone --depth 1 https://github.com/bats-core/bats-assert.git /opt/bats-assert
+
+COPY . .
+
+ENV FLOCI_ENDPOINT=http://floci:4566
+ENV AWS_ENDPOINT_URL=http://floci:4566
+ENV AWS_ACCESS_KEY_ID=test
+ENV AWS_SECRET_ACCESS_KEY=test
+ENV AWS_DEFAULT_REGION=us-east-1
+ENV BATS_LIB_PATH=/opt
+
+RUN chmod +x /app/run-bats-in-container.sh && mkdir -p /results
+ENTRYPOINT ["./run-bats-in-container.sh"]