Use ubuntu:latest image and build snet-cli, snet-daemon, and example-service in circleci config file

Author: stellarspot

.circleci/config.yml

@@ -2,16 +2,22 @@ version: 2
 jobs:
   build:
     docker:
-    - image: circleci/golang:1.9-node
-    working_directory: /go/src/github.com/singnet
+    - image: ubuntu:latest
+    working_directory: /root/go/src/github.com/singnet
     environment:
-      SINGNET_REPOS: /go/src/github.com/singnet
+      GOPATH: /root/go
+      SINGNET_REPOS: /root/go/src/github.com/singnet
     steps:
     - run:
         name: Install tools
         command: |
+          export PATH=$PATH:$GOPATH/bin
+          apt-get update
+          apt-get -y install sudo wget git
+          # Install NodeJS toolset
+          sudo apt-get -y install nodejs npm
           # install protobuf
-          sudo apt-get -y install golang-goprotobuf-dev golint
+          sudo apt-get -y install golang go-dep golang-goprotobuf-dev golint
           # install IPFS
           wget https://dist.ipfs.io/go-ipfs/v0.4.17/go-ipfs_v0.4.17_linux-amd64.tar.gz
           tar xvfz go-ipfs_*.tar.gz
@@ -28,3 +34,29 @@ jobs:
           cd platform-contracts
           npm install
           npm install ganache-cli
+    - run:
+        name: Build snet-cli
+        command: |
+          cd $SINGNET_REPOS
+          git clone https://github.com/singnet/snet-cli.git
+          cd snet-cli
+          ./scripts/blockchain install
+          pip3 install -e .
+    - run:
+        name: Build snet-daemon
+        command: |
+          export PATH=$PATH:$GOPATH/bin
+          rm -rf $GOPATH/bin
+          cd $SINGNET_REPOS
+          git clone https://github.com/singnet/snet-daemon.git
+          cd snet-daemon
+          ./scripts/install
+          ./scripts/build
+    - run:
+        name: Build example-service
+        command: |
+          export PATH=$PATH:$GOPATH/bin
+          cd $SINGNET_REPOS
+          git clone https://github.com/singnet/example-service.git
+          cd example-service
+          pip3 install -r requirements.txt