ci: fix.

.github/workflows/go.yml

@@ -101,6 +101,36 @@ jobs:
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2
 
+    - name: Cache dependencies
+      uses: actions/cache@v2
+      with:
+        # Cache
+        path: ~/go/pkg/mod
+        # Cache key
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        # An ordered list of keys to use for restoring the cache if no cache hit occurred for key
+        restore-keys: |
+          ${{ runner.os }}-go-
+
+    - name: Get dependencies
+      run: |
+        go get -v -t -d ./...
+        if [ -f Gopkg.toml ]; then
+            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+            dep ensure
+        fi
+        sudo rm /usr/local/bin/docker-compose
+        curl -L https://github.com/docker/compose/releases/download/1.25.5/docker-compose-`uname -s`-`uname -m` > docker-compose
+        chmod +x docker-compose
+        sudo mv docker-compose /usr/local/bin
+        wget https://github.com/google/protobuf/releases/download/v3.11.4/protoc-3.11.4-linux-x86_64.zip
+        unzip protoc-3.11.4-linux-x86_64.zip
+        chmod +x bin/protoc
+        sudo mv bin/protoc /usr/local/bin
+        sudo mv include /usr/local/bin
+        go get -u github.com/golang/protobuf/protoc-gen-go
+        go get -u github.com/gogo/protobuf/protoc-gen-gofast
+
     - name: Tool
       run: |
         go install ./...