feat: refactor CI/CD (#837)

Tracked by epic: https://github.com/celestiaorg/devops/issues/111

Changes:
- remove unused workflows
- use of common workflow for container build (mockserv)
- let dependabot bump Dockerfile

Please comment on all ideas, thoughts, and questions as a comment.

Closes https://github.com/celestiaorg/devops/issues/163

---------

Signed-off-by: Smuu <18609909+Smuu@users.noreply.github.com>

Author: smuu

.github/dependabot.yml

@@ -5,14 +5,15 @@ updates:
     schedule:
       interval: daily
     open-pull-requests-limit: 10
-    reviewers:
-      - "rollkit/celestia"
   - package-ecosystem: gomod
     directory: "/"
     schedule:
       interval: weekly
     open-pull-requests-limit: 10
-    reviewers:
-      - "rollkit/celestia"
     labels:
       - T:dependencies
+  - package-ecosystem: docker
+    directory: "/docker"
+    schedule:
+      interval: weekly
+    open-pull-requests-limit: 10

.github/workflows/docker-build-da-mockserv.yml

@@ -1,52 +1,23 @@
-name: build-mockserv
+name: mockserv Docker Build & Publish
 
+# Trigger on all push events, new semantic version tags, and all PRs
 on:
   push:
     branches:
-      - main
+      - "**"
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+      - "v[0-9]+.[0-9]+.[0-9]+-alpha.[0-9]+"
+      - "v[0-9]+.[0-9]+.[0-9]+-beta.[0-9]+"
+      - "v[0-9]+.[0-9]+.[0-9]+-rc[0-9]+"
   pull_request:
-  release:
-    types: [published]
-  workflow_dispatch:
-
-env:
-  REGISTRY: ghcr.io
-  IMAGE_NAME: celestiaorg/rollmint-mockserv
 
 jobs:
-  docker-build:
-    if: github.event.pull_request.head.repo.full_name == github.repository
-    runs-on: "ubuntu-latest"
+  docker-security-build:
     permissions:
-      contents: write 
-      packages: write 
-    steps:
-      - name: "Checkout source code"
-        uses: "actions/checkout@v3"
-      - name: Set up Go
-        uses: actions/setup-go@v4
-        with:
-          go-version: 1.17
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v4
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: |
-            type=sha,prefix=${{ env.TAG_PREFIX }}
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-      - name: Login to GHCR
-        uses: docker/login-action@v2
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build and push
-        uses: docker/build-push-action@v4
-        with:
-          context: .
-          platforms: linux/amd64, linux/arm64
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          file: docker/mockserv.Dockerfile
+      contents: write
+      packages: write
+    uses: celestiaorg/.github/.github/workflows/reusable_dockerfile_pipeline.yml@v0.1.0 # yamllint disable-line rule:line-length
+    with:
+      dockerfile: docker/mockserv.Dockerfile
+      packageName: mockserv

.github/workflows/docker-build-ethermint-debug.yml

@@ -1,50 +1,55 @@
-name: Linters
+# lint runs all linters in this repository. This workflow is run on every pull
+# request and push to main.
+name: lint
 on:
   push:
     tags:
       - v*
     branches:
       - main
   pull_request:
+  workflow_call:
 
 jobs:
-  golangci:
-    name: lint
+  golangci-lint:
+    name: golangci-lint
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
           go-version: 1.19
-      - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3.4.0
+        # This steps sets the GIT_DIFF environment variable to true
+        # if files defined in PATTERS changed
+      - uses: technote-space/get-diff-action@v6.1.2
         with:
-          # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
-          version: latest
-
-          # Optional: working directory, useful for monorepos
-          # working-directory: somedir
-
-          # Optional: golangci-lint command line arguments.
-          # args: --issues-exit-code=0
-
-          # Optional: show only new issues if it's a pull request. The default value is `false`.
-          # only-new-issues: true
+          # This job will pass without running if go.mod, go.sum, and *.go
+          # wasn't modified.
+          PATTERNS: |
+            **/**.go
+            go.mod
+            go.sum
+      - uses: golangci/golangci-lint-action@v3.4.0
+        with:
+          version: v1.50.1
+          args: --timeout 10m
+          github-token: ${{ secrets.github_token }}
+        if: env.GIT_DIFF
 
-          # Optional: if set to true then the action will use pre-installed Go.
-          # skip-go-installation: true
+  # hadolint lints the Dockerfile
+  hadolint:
+    uses: celestiaorg/.github/.github/workflows/reusable_dockerfile_lint.yml@v0.1.0 # yamllint disable-line rule:line-length
+    with:
+      dockerfile: docker/mockserv.Dockerfile
 
-          # Optional: if set to true then the action don't cache or restore ~/go/pkg.
-          # skip-pkg-cache: true
+  yamllint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: celestiaorg/.github/.github/actions/yamllint@v0.1.0
 
-          # Optional: if set to true then the action don't cache or restore ~/.cache/go-build.
-          # skip-build-cache: true
-  markdownlint:
+  markdown-lint:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: markdownlint-cli
-        uses: nosborn/github-action-markdown-cli@v3.3.0
-        with:
-          files: .
-          config-file: .markdownlint.yaml
+      - uses: celestiaorg/.github/.github/actions/markdown-lint@v0.1.0

.github/workflows/docker-build-test-ethermint.yml

@@ -11,21 +11,21 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+      - uses: actions/checkout@v3
 
-    - name: Set up Go
-      uses: actions/setup-go@v4
-      with:
-        go-version: 1.19
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: 1.19
 
-    - name: Build
-      run: go build -v ./...
+      - name: Build
+        run: go build -v ./...
 
-    - name: Test & Coverage
-      run: |
-        go install github.com/ory/go-acc@v0.2.6
-        go-acc -o coverage.txt ./... -- -v --race
+      - name: Test & Coverage
+        run: |
+          go install github.com/ory/go-acc@v0.2.6
+          go-acc -o coverage.txt ./... -- -v --race
 
-    - uses: codecov/codecov-action@v3
-      with:
-        file: ./coverage.txt
+      - uses: codecov/codecov-action@v3
+        with:
+          file: ./coverage.txt