[WIP] Create a more user-friendly Dockerfile for images.

mcrouter/scripts/docker/Dockerfile.ubuntu-packaged

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+FROM ubuntu:xenial
+
+RUN set -xe \
+        && buildDeps=" \
+                wget \
+                apt-transport-https" \
+        && DEBIAN_FRONTEND=noninteractive \
+           apt-get update \
+        && apt-get install -y $buildDeps 
+
+
+COPY ["container/ubuntu-packaged/entrypoint.sh", \
+      "/usr/local/bin/"  \
+     ]
+
+COPY ["container/ubuntu-packaged/10-mcrouter.list", \
+      "/etc/apt/sources.list.d/"  \
+     ]
+
+COPY ["container/ubuntu-packaged/mcrouter.json", \
+      "/etc/mcrouter/"  \
+     ]
+
+
+
+RUN wget -qO- \
+        https://facebook.github.io/mcrouter/debrepo/xenial/PUBLIC.KEY \
+        | apt-key add \
+        && DEBIAN_FRONTEND=noninteractive \
+           apt-get update \
+        && \
+           apt-get install -yq mcrouter --no-install-recommends  \
+        && apt-get purge -y --autoremove -o APT::AutoRemove::RecommendsImportant=false wget apt-transport-https \
+        && apt-get autoremove && apt-get autoclean && rm -rf /var/lib/apt-lists/*
+
+
+ENV MCROUTER_LISTEN_PORT 5000
+
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]

mcrouter/scripts/docker/container/ubuntu-packaged/10-mcrouter.list

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+deb https://facebook.github.io/mcrouter/debrepo/xenial xenial contrib

mcrouter/scripts/docker/container/ubuntu-packaged/entrypoint.sh

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+#!/usr/bin/env bash
+set -o errexit
+
+
+function run_mcrouter() {
+        local CONFIG_PATH=$1
+        mcrouter \
+        --config file:${CONFIG_PATH} \
+        -p "${MCROUTER_LISTEN_PORT:-5000}" \
+	"$@"
+}
+
+
+if [ -z "${MCROUTER_CONFIG_PATH}" ]; then
+  echo "MCROUTER_CONFIG_PATH undefined! Using bundled default ..."
+  export MCROUTER_CONFIG_PATH=/etc/mcrouter/mcrouter.json
+fi
+
+run_mcrouter "${MCROUTER_CONFIG_PATH}" "$@"

mcrouter/scripts/docker/container/ubuntu-packaged/mcrouter.json

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+{
+  "pools": {
+    "A": {
+      "servers": [
+        "127.0.0.1:5001"
+      ]
+    }
+  },
+  "route": "PoolRoute|A"
+}