Merge pull request #6 from arturgontijo/_new_daemon

[Dockerfile] Get latest Daemon on build.

Author: vsbogd

Dockerfile

@@ -1,25 +1,23 @@
 FROM ubuntu:18.04
 
-ARG snetd_version="v0.1.7"
-
 ENV SINGNET_REPOS=/opt/singnet
 
 RUN mkdir -p ${SINGNET_REPOS}
 
 RUN apt-get update && \
     apt-get install -y \
+    curl \
     nano \
     git \
     wget
 
 RUN apt-get install -y python3 python3-pip
 
-RUN cd ${SINGNET_REPOS} && \
-    mkdir snet-daemon && \
-    cd snet-daemon && \
-    wget https://github.com/singnet/snet-daemon/releases/download/${snetd_version}/snet-daemon-${snetd_version}-linux-amd64.tar.gz && \
-    tar -xvf snet-daemon-${snetd_version}-linux-amd64.tar.gz && \
-    mv snet-daemon-${snetd_version}-linux-amd64/snetd /usr/bin/snetd
+RUN SNETD_VERSION=`curl -s https://api.github.com/repos/singnet/snet-daemon/releases/latest | grep -oP '"tag_name": "\K(.*)(?=")'` && \
+    cd /tmp && \
+    wget https://github.com/singnet/snet-daemon/releases/download/${SNETD_VERSION}/snet-daemon-${SNETD_VERSION}-linux-amd64.tar.gz && \
+    tar -xvf snet-daemon-${SNETD_VERSION}-linux-amd64.tar.gz && \
+    mv snet-daemon-${SNETD_VERSION}-linux-amd64/snetd /usr/bin/snetd
 
 RUN cd ${SINGNET_REPOS} && \
     git clone https://github.com/singnet/example-service.git && \

README.md

@@ -102,12 +102,10 @@ python3 run_example_service.py
 
 ##### Running Service + Daemon in Docker Container
 
-* Build the docker image (with proper `SNET Daemon` version) and run a Container from it:
+* Build the docker image and run a container from it:
 
 ```
-SNETD_VERSION="v0.1.7"
 docker build \
-    --build-arg snetd_version=$SNETD_VERSION \
     -t snet_example_service \
     https://github.com/singnet/example-service.git#master