[#51] *: Add github workflows

File have been taken from neofs-http-gw.
Commit 9604f9f4b16bbe211cf967c6d270ecb412fb0a208.

Signed-off-by: Angira Kekteeva <kira@nspcc.ru>

.github/workflows/builds.yml

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+name: Builds
+
+on:
+  pull_request:
+    branches:
+      - master
+    types: [opened, synchronize]
+    paths-ignore:
+      - '**/*.md'
+  workflow_dispatch:
+
+jobs:
+  build_cli:
+    name: Build CLI
+    runs-on: ubuntu-20.04
+
+    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-${{ hashFiles('go.sum') }}
+
+      - name: Update Go modules
+        run: make dep
+
+      - name: Build CLI
+        run: make
+
+      - name: Save binary
+        uses: actions/upload-artifact@v2
+        with:
+          name: neofs-http-gw
+          path: bin/neofs-http-gw
+
+  build_image:
+    needs: build_cli
+    name: Build Docker image
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+
+      - name: Restore Go modules from cache
+        uses: actions/cache@v2
+        with:
+          path: /home/runner/go/pkg/mod
+          key: deps-${{ hashFiles('go.sum') }}
+
+      - name: Update Go modules
+        run: make dep
+
+      - name: Build Docker image
+        run: make image

.github/workflows/codeql-analysis.yml

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+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master ]
+  schedule:
+    - cron: '35 8 * * 1'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'go' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

.github/workflows/dco.yml

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+name: DCO check
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  commits_check_job:
+    runs-on: ubuntu-latest
+    name: Commits Check
+    steps:
+    - name: Get PR Commits
+      id: 'get-pr-commits'
+      uses: tim-actions/get-pr-commits@master
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+    - name: DCO Check
+      uses: tim-actions/dco@master
+      with:
+        commits: ${{ steps.get-pr-commits.outputs.commits }}

.github/workflows/publish_to_dockerhub.yml

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+name: Push images to DockerHub
+
+# Controls when the action will run.
+on:
+  push:
+    # Publish `master` as Docker `latest` and `git_revision` images.
+    branches:
+      - master
+  release:
+    # Publish released commit as Docker `latest` and `git_revision` images.
+    types:
+      - published
+
+  # Allows to run this workflow manually from the Actions tab.
+  workflow_dispatch:
+    inputs:
+      ref:
+        description: 'Ref to build Docker image [default: latest master; examples: v0.92.0, 0a4ff9d3e4a9ab432fd5812eb18c98e03b5a7432]'
+        required: false
+        default: ''
+      push_image:
+        description: 'Push image to DockerHub [default: false; examples: true, false]'
+        required: false
+        default: 'false'
+
+# A workflow run.
+jobs:
+  publish:
+    name: Publish image to DockerHub
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout (manual run)
+        if: ${{ github.event_name == 'workflow_dispatch' }}
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.event.inputs.ref }}
+          # Allows to fetch all history for all branches and tags. Need this for proper versioning.
+          fetch-depth: 0
+
+      - name: Checkout (automatical run)
+        if: ${{ github.event_name != 'workflow_dispatch' }}
+        uses: actions/checkout@v2
+        with:
+          # Allows to fetch all history for all branches and tags. Need this for proper versioning.
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+
+      - name: Restore go modules from cache
+        uses: actions/cache@v2
+        with:
+          path: /home/runner/go/pkg/mod
+          key: deps-${{ hashFiles('go.sum') }}
+
+      - name: Update Go modules
+        run: make dep
+
+      - name: Build image
+        run: make image
+
+      - name: Build image with 'latest' tag
+        if: ${{ github.event_name == 'release' && github.event.release.target_commitish == 'master' }}
+        run: make image
+        env:
+          HUB_TAG: latest
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Push image to registry
+        if: ${{ github.event_name == 'release' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_image == 'true') }}
+        run: make image-push
+
+      - name: Push image with 'latest' tag to registry
+        if: ${{ github.event_name == 'release' && github.event.release.target_commitish == 'master' }}
+        run: make image-push
+        env:
+          HUB_TAG: latest

.github/workflows/tests.yml

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+name: Tests
+
+on:
+  pull_request:
+    branches:
+      - master
+    types: [opened, synchronize]
+    paths-ignore:
+      - '**/*.md'
+  workflow_dispatch:
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: latest
+
+  cover:
+    name: Coverage
+    runs-on: ubuntu-20.04
+
+    env:
+      CGO_ENABLED: 1
+    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-${{ hashFiles('go.sum') }}
+
+      - name: Update Go modules
+        run: make dep
+
+      - name: Test and write coverage profile
+        run: make cover
+
+      - name: Upload coverage results to Codecov
+        uses: codecov/codecov-action@v1
+        with:
+          fail_ci_if_error: false
+          path_to_write_report: ./coverage.txt
+          verbose: true
+
+  tests:
+    name: Tests
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        go_versions: [ '1.16' ]
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: '${{ matrix.go_versions }}'
+
+      - 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: Run tests
+        run: make test