Add docker and sudo

Author: myoung34

Dockerfile

@@ -1,10 +1,24 @@
 FROM ubuntu:latest
 RUN apt-get update && \
-  apt-get install -y curl tar docker && \
+  apt-get install -y \
+    curl \
+    tar \
+    apt-transport-https \
+    ca-certificates \
+    curl \
+    sudo \
+    gnupg-agent \
+    software-properties-common
+RUN curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
+RUN add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+RUN apt-get install -y docker-ce && \
   rm -rf /var/lib/apt/lists/*
+
 RUN mkdir actions-runner && cd actions-runner
 RUN curl -O https://githubassets.azureedge.net/runners/2.160.2/actions-runner-linux-x64-2.160.2.tar.gz
 RUN tar xzf ./actions-runner-linux-x64-2.160.2.tar.gz
+RUN mkdir /_work
+WORKDIR /_work
 COPY entrypoint.sh /
 RUN chmod +x /entrypoint.sh
 ENTRYPOINT ["/entrypoint.sh"]

entrypoint.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
 export AGENT_ALLOW_RUNASROOT=1
-echo ${RUNNER_NAME:-default}$'\n\n' | ./config.sh --url ${REPO_URL} --token ${RUNNER_TOKEN}
-exec ./run.sh
+echo ${RUNNER_NAME:-default}$'\n\n' | /config.sh --url ${REPO_URL} --token ${RUNNER_TOKEN}
+exec /run.sh