Prepare: run E2E smoketests with GitHub actions (#23301)

- Port E2E testing scripts from cypress-ui-automation
- Move server to docker-compose, move E2E images to ecrpublic
* Integrate General channel renaming, fixes
- Add local automation-dashboard
- Add readme
- Add E2E smoketests
- Bump postgres to 12

---------

Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: Saturnino Abril <saturnino.abril@gmail.com>
Co-authored-by: Antonis Stamatiou <stamatiou.antonis@gmail.com>

.github/workflows/e2e-tests-ci.yml

@@ -1,17 +1,35 @@
-name: mattermost-e2e-tests
+name: E2E Tests
 on:
-  pull_request:
-  push:
-    branches:
-      - master
-      - mono-repo*
+  # For PRs, this workflow gets triggered from the Argo Events platform.
+  # Check the following repo for details: https://github.com/mattermost/delivery-platform
+  workflow_dispatch:
+    inputs:
+      commit_sha:
+        type: string
+        required: false
 
 defaults:
   run:
     shell: bash
+
 jobs:
+  update-initial-status:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: mattermost/actions/delivery/update-commit-status@main
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        with:
+          repository_full_name: ${{ github.repository }}
+          commit_sha: ${{ inputs.commit_sha || github.sha }}
+          context: ci/e2e-tests
+          description: E2E tests for mattermost server app
+          status: pending
+
   cypress-check:
     runs-on: ubuntu-22.04
+    needs:
+      - update-initial-status
     defaults:
       run:
         working-directory: e2e-tests/cypress
@@ -24,15 +42,18 @@ jobs:
         with:
           node-version-file: ".nvmrc"
           cache: npm
-          cache-dependency-path: 'e2e-tests/cypress/package-lock.json'
+          cache-dependency-path: "e2e-tests/cypress/package-lock.json"
       - name: ci/cypress/npm-install
         run: |
           npm ci
       - name: ci/cypress/npm-check
         run: |
           npm run check
+
   playwright-check:
     runs-on: ubuntu-22.04
+    needs:
+      - update-initial-status
     defaults:
       run:
         working-directory: e2e-tests/playwright
@@ -45,7 +66,7 @@ jobs:
         with:
           node-version-file: ".nvmrc"
           cache: npm
-          cache-dependency-path: 'e2e-tests/playwright/package-lock.json'
+          cache-dependency-path: "e2e-tests/playwright/package-lock.json"
       - name: ci/get-webapp-node-modules
         working-directory: webapp
         # requires build of client and types
@@ -57,3 +78,38 @@ jobs:
       - name: ci/playwright/npm-check
         run: |
           npm run check
+
+  smoketests:
+    runs-on: ubuntu-22.04
+    needs:
+      - cypress-check
+      - playwright-check
+    defaults:
+      run:
+        working-directory: e2e-tests
+    steps:
+      - name: ci/checkout-repo
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+      - name: ci/e2e-smoketests
+        run: |
+          make
+          # Assert that the run contained 0 failures
+          CYPRESS_FAILURES=$(find cypress/results -name '*.json' | xargs -l jq -r '.stats.failures' | jq -s add)
+          echo "Cypress run completed with $CYPRESS_FAILURES failures"
+          [ "$CYPRESS_FAILURES" = "0" ]
+
+  update-final-status:
+    runs-on: ubuntu-22.04
+    if: always()
+    needs:
+      - smoketests
+    steps:
+      - uses: mattermost/actions/delivery/update-commit-status@main
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        with:
+          repository_full_name: ${{ github.repository }}
+          commit_sha: ${{ inputs.commit_sha || github.sha }}
+          context: ci/e2e-tests
+          description: E2E tests for mattermost server app
+          status: ${{ job.status }}