First attempt at building a docker image

decision-task/run.py

@@ -70,6 +70,11 @@ def create_task(name, command, artifacts=None, dependencies=None, env=None, cach
     print("Scheduled %s: %s" % (name, task_id))
     return task_id
 
+create_task(
+    "docker image build task",
+    "./docker-image-build-task.sh servo-x86_64-linux",
+)
+
 build_task = create_task(
     "build task",
     "./build-task.sh",

docker-image-build-task.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+image=$1
+
+apt-get update
+apt-get install -y --no-install-recommends docker.io
+docker build -t "$image" "./docker/$image/"

docker/servo-x86_64-linux/Dockerfile

@@ -0,0 +1,14 @@
+FROM ubuntu:bionic-20180821
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        git \
+        curl \
+        ca-certificates \
+        python2.7 \
+        g++ \
+    && \
+    rm -rf /var/lib/apt/lists/* && \
+    curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain none -y
+
+ENV PATH="/root/.cargo/bin:${PATH}"