workflows: add build/lint workflows

.github/workflows/builds.yml

@@ -0,0 +1,81 @@
+name: Builds and lints
+
+on:
+  pull_request:
+    branches:
+      - master
+    types: [opened, synchronize]
+    paths-ignore:
+      - '**/*.md'
+  workflow_dispatch:
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-18.04
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: latest
+
+  build_cli:
+    name: Build CLI
+    runs-on: ubuntu-18.04
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+
+      - name: Restore Go modules from cache
+        uses: actions/cache@v2
+        with:
+          path: /home/runner/go/pkg/mod
+          key: deps-${{ hashFiles('go.sum') }}
+
+      - name: Update Go modules
+        run: make dep
+
+      - name: Build CLI
+        run: make
+
+      - name: Save binary
+        uses: actions/upload-artifact@v2
+        with:
+          name: neofs-http-gw
+          path: bin/neofs-http-gw
+
+  build_image:
+    needs: build_cli
+    name: Build Docker image
+    runs-on: ubuntu-18.04
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+
+      - name: Restore Go modules from cache
+        uses: actions/cache@v2
+        with:
+          path: /home/runner/go/pkg/mod
+          key: deps-${{ hashFiles('go.sum') }}
+
+      - name: Update Go modules
+        run: make dep
+
+      - name: Build Docker image
+        run: make image