ceph s3-tests include in the docker compose files

https://github.com/chrislusf/seaweedfs/issues/1810

docker/Dockerfile.s3tests

@@ -0,0 +1,31 @@
+FROM ubuntu:20.04
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get upgrade -y && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+        git \
+        sudo \
+        debianutils \
+        python3-pip \
+        python3-virtualenv \
+        python3-dev \
+        libevent-dev \
+        libffi-dev \
+        libxml2-dev \
+        libxslt-dev \
+        zlib1g-dev && \
+    DEBIAN_FRONTEND=noninteractive apt-get clean && \
+    rm -rf /var/lib/apt/lists/* && \
+    git clone https://github.com/ceph/s3-tests.git /opt/s3-tests
+
+WORKDIR /opt/s3-tests
+RUN ./bootstrap
+
+ENV \
+    NOSETESTS_EXCLUDE="" \
+    NOSETESTS_ATTR="" \
+    NOSETESTS_OPTIONS="" \
+    S3TEST_CONF="/s3test.conf"
+
+ENTRYPOINT ["/bin/bash", "-c"]
+CMD ["exec ./virtualenv/bin/nosetests ${NOSETESTS_OPTIONS-} ${NOSETESTS_ATTR:+-a $NOSETESTS_ATTR} ${NOSETESTS_EXCLUDE:+-e $NOSETESTS_EXCLUDE}"]