Add flannel and flannel-cni-plugin dockerfiles

flannel/flannel-cni-plugin/Dockerfile

@@ -0,0 +1,8 @@
+FROM alt:sisyphus
+
+RUN apt-get update && apt-get install -y cni-plugin-flannel; \
+    rm -f /var/cache/apt/archives/*.rpm \
+          /var/cache/apt/*.bin \
+          /var/lib/apt/lists/*.*
+
+RUN cp /usr/libexec/cni/flannel /flannel

flannel/flannel/Dockerfile

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+FROM alt:sisyphus
+
+#RUN apk add --no-cache iproute2 net-tools ca-certificates iptables strongswan && update-ca-certificates
+#RUN apk add wireguard-tools --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/community
+RUN apt-get update && apt-get install -y iproute2 net-tools ca-certificates \
+    iptables iptables-nft strongswan wireguard-tools flannel wget && update-ca-trust; \
+    rm -f /var/cache/apt/archives/*.rpm \
+          /var/cache/apt/*.bin \
+          /var/lib/apt/lists/*.*
+
+#COPY dist/flanneld-$FLANNEL_ARCH /opt/bin/flanneld
+#COPY dist/mk-docker-opts.sh /opt/bin/
+#COPY dist/iptables-wrapper-installer.sh /
+RUN mkdir -p /opt/bin/ && cp /usr/sbin/flanneld /opt/bin/flanneld
+RUN cp /usr/libexec/flannel/mk-docker-opts.sh /opt/bin/
+
+#COPY dist/iptables-wrapper-installer.sh /
+#RUN /iptables-wrapper-installer.sh
+
+ENTRYPOINT ["/opt/bin/flanneld"]