Add GitHub Actions CI + release

.github/dependabot.yml

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+# See GitHub's docs for more information on this file:
+# https://docs.github.com/en/free-pro-team@latest/github/administering-a-repository/configuration-options-for-dependency-updates
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      # Check for updates to GitHub Actions every weekday
+      interval: "daily"
+
+  # Maintain dependencies for Go modules
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      # Check for updates to Go modules every weekday
+      interval: "daily"

.github/workflows/ci.yml

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+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.17.x
+      - run: make test
+
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
+          version: v1.29
+
+  acctest:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.17.x
+      - uses: actions/cache@v2
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+      - name: Bring up kafka + zk
+        run: docker-compose up -d
+      - name: "Run tests"
+        run: make testacc

.github/workflows/release.yml

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+name: release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16.x
+      - name: Import GPG key
+        id: import_gpg
+        uses: crazy-max/[email protected]
+        with:
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.PASSPHRASE }}
+      - uses: actions/cache@v2
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+          key: ${{ secrets.YOUR_PRIVATE_KEY }}
+        env:
+          GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+

.github/workflows/snapshot.yml

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+name: Build Snapshots
+
+on:
+  push:
+    branches:
+      - '**'
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16.x
+      - name: Import GPG key
+        id: import_gpg
+        uses: crazy-max/[email protected]
+        with:
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.PASSPHRASE }}
+      - uses: actions/cache@v2
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --snapshot --rm-dist
+          key: ${{ secrets.YOUR_PRIVATE_KEY }}
+        env:
+          GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

docker-compose.yaml

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+---
+version: '3.2'
+services:
+  zookeeper:
+    image: confluentinc/cp-zookeeper:latest
+    ports:
+      - "2181:2181"
+    environment:
+      ZOOKEEPER_CLIENT_PORT: 2181
+      ZOOKEEPER_TICK_TIME: 2000
+    extra_hosts:
+      - "moby:127.0.0.1"
+
+  kafka1:
+    build:
+      context: .
+      dockerfile: Dockerfile.kafka
+      args:
+        broker_id: 1
+        zookeeper_connect: zookeeper:2181
+        listener_host: kafka1
+        listener_port: 9092
+    ports:
+      - "9092:9092"
+    depends_on:
+      - zookeeper
+    extra_hosts:
+      - "moby:127.0.0.1"
+
+  kafka2:
+    build:
+      context: .
+      dockerfile: Dockerfile.kafka
+      args:
+        broker_id: 2
+        zookeeper_connect: zookeeper:2181
+        listener_host: kafka2
+        listener_port: 9093
+    ports:
+      - "9093:9092"
+    depends_on:
+      - zookeeper
+    extra_hosts:
+      - "moby:127.0.0.1"
+
+  kafka3:
+    build:
+      context: .
+      dockerfile: Dockerfile.kafka
+      args:
+        broker_id: 3
+        zookeeper_connect: zookeeper:2181
+        listener_host: kafka3
+        listener_port: 9094
+    ports:
+      - "9094:9092"
+    depends_on:
+      - zookeeper
+    extra_hosts:
+      - "moby:127.0.0.1"