Setting up build for Hexagon Conan GCC12 image

.github/workflows/docker-image.yml

@@ -0,0 +1,19 @@
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches:
+      - '*'
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: modern
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Build and push Docker image
+        run: |
+          docker-compose build gcc12

modern/.env

@@ -1,6 +1,6 @@
 CONAN_VERSION=2.0.17
 DOCKER_TAG=2.0.17
-DOCKER_USERNAME=conanio
+DOCKER_USERNAME=hexagon
 
 # This versions are mandatory by 'conan-io/conan-center-index'
 CMAKE_VERSION_FULL=3.15.7
@@ -25,7 +25,7 @@ CLANG12_VERSION=12.0.0
 CLANG13_VERSION=13.0.0
 CLANG14_VERSION=14.0.0
 
-DISTRO=ubuntu16.04
-DISTRO_VERSION=16.04
+DISTRO=ubuntu18.04
+DISTRO_VERSION=18.04
 
 PLATFORM=linux/amd64