feat(ci): unity in e2e environment

.github/workflows/ci.yml

@@ -19,24 +19,30 @@ jobs:
         run: npm ci
       - name: Unit tests
         run: npm run test:unit
+
   e2e-test:
     runs-on: ubuntu-latest
+    container: ghcr.io/openupm/openupm-cli-e2e-${{ matrix.os }}:latest
     strategy:
       matrix:
-        node-version: [18.x]
+        os: 
+          - ubuntu
+          # Seems like windows is not supported at the moment (06.2024)
+          # - windows
     name: E2E Tests
     steps:
       - uses: actions/checkout@v3
-      - name: set node.js ${{ matrix.node-version }}
+      - name: setup node.js
         uses: actions/setup-node@v3
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version: 18 
       - name: install deps
         run: npm ci
       - name: build
         run: npm run build
       - name: run tests
         run: npx jest --testMatch "**/*.e2e.ts" --runInBand
+
   release:
     runs-on: ubuntu-latest
     needs: 

.github/workflows/e2e-images.yml

@@ -0,0 +1,40 @@
+name: Publish e2e images
+on:
+  push: 
+    paths:
+      - "docker/e2e/**"
+      - ".github/workflows/e2e-images.yml"
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: e2e-${{ github.repository }}
+
+jobs: 
+  publish_e2e_images:
+    runs-on: ${{ matrix.os }}-latest
+
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+
+    strategy:
+      matrix: 
+        os:
+          - ubuntu
+          - windows
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Build and push Docker image
+        uses: mr-smithers-excellent/docker-build-push@v6
+        with:
+          tags: latest
+          image: openupm-cli-e2e-${{matrix.os}}
+          dockerfile: docker/e2e/${{matrix.os}}/Dockerfile
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}

docker/e2e/ubuntu/Dockerfile

@@ -0,0 +1,17 @@
+FROM ubuntu:latest as os
+LABEL authors="comradevanti"
+
+FROM os as install-os-deps
+
+RUN apt-get -y update
+RUN apt-get -y install wget  
+RUN apt-get -y install xz-utils
+
+FROM install-os-deps as editor
+
+ENV UNITY_VERSION=2021.3.36f1
+RUN mkdir -p ~/Unity/Hub/Editor/${UNITY_VERSION}/Editor
+RUN cd ~/Unity/Hub/Editor/${UNITY_VERSION}/Editor
+RUN wget -O ./editor.tar.xz -q https://download.unity3d.com/download_unity/7a0645017be0/LinuxEditorInstaller/Unity-${UNITY_VERSION}.tar.xz
+RUN tar -xJf ./editor.tar.xz
+RUN rm ./editor.tar.xz

docker/e2e/windows/Dockerfile

@@ -0,0 +1,7 @@
+FROM mcr.microsoft.com/windows/nanoserver:ltsc2022 as os
+LABEL authors="comradevanti"
+
+FROM os as editor
+
+RUN curl -o %userprofile%\UnitySetup64.exe https://download.unity3d.com/download_unity/7a0645017be0/Windows64EditorInstaller/UnitySetup64-2021.3.36f1.exe
+RUN start %userprofile%\UnitySetup64.exe \S