feat(docker): add docker framework configuration files

src/cores/3.10/Dockerfile

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+#####
+FROM alpine:3.10
+MAINTAINER "kuwas"
+
+# environment #
+ENV PATH "/app/bin:$PATH"
+
+# setup #
+RUN mkdir -p \
+  "/app/bin" \
+  "/app/com" \
+  "/app/etc" \
+  "/app/share" \
+  "/app/var" \
+  ;
+RUN addgroup -S "app" ;
+RUN adduser -SH -s "/bin/sh" -h "/app" -G "app" "app" ;
+RUN chown -R "app:app" "/app" ;
+# USER app
+WORKDIR "/app"
+
+# start #
+ENTRYPOINT [ "/bin/sh" ]

src/cores/bash/Dockerfile

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+#####
+FROM kuwas/alpine:latest
+MAINTAINER "kuwas"
+
+# environment #
+RUN apk add --update \
+  "bash" \
+  ;
+RUN rm -rf /var/cache/apk/* ;
+
+# start #
+ENTRYPOINT [ "/bin/bash" ]

src/cores/latest

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+./3.10

src/cores/tools/Dockerfile

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+#####
+FROM kuwas/alpine:bash
+MAINTAINER "kuwas"
+
+# environment #
+RUN apk add --update \
+  "busybox" \
+  "busybox-extras" \
+  "curl" \
+  "git" \
+  "htop" \
+  "openssh-client" \
+  "openssl" \
+  "rsync" \
+  "sudo" \
+  "tar" \
+  "tcpdump" \
+  "tmux" \
+  "wget" \
+  ;
+RUN rm -rf /var/cache/apk/* ;
+
+# start #
+ENTRYPOINT [ "/bin/bash" ]