Sam/gh action docker (#53)

* feat: updating gh action for docker image build and push to registry

* feat: add ds magic-cache-action

* chore: tmp settings on action to run on pr

* fix: fix steps

* fix: docker gh action

* fix: perms

* fix: pr

* fix: perms

* fix: build invocation

* fix: docker registry invocation

* fix: invocation correction

* fix: now set up ci to only build and push docker images on merge of main

.github/workflows/docker.yml

@@ -10,37 +10,24 @@ env:
 
 jobs:
   build:
-    strategy:
-      fail-fast: false
-      matrix:
-        runner: [ "X64", "arm-runner" ]
     name: "update: build and deploy postgres server images"
-    runs-on: [ self-hosted, "${{ matrix.runner }}" ]
+    runs-on: ubuntu-latest
     permissions:
-      contents: read
+      contents: write
       packages: write
     steps:
       - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
         with:
           fetch-depth: 0
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - uses: actions/checkout@v3
 
       - name: Build images
         run: |
           nix build .#psql_15/docker -o result-docker-15
           nix build .#psql_16/docker -o result-docker-16
           nix build .#psql_orioledb_16/docker -o result-docker-orioledb-16
-          
-
-
-      - name: Tag images
-        run: |
-          set -x
-          for x in 14 15; do
-            docker load -i result-docker-$x
-            docker tag postgresql-$x:latest ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-$x:${GITHUB_SHA}
-            docker tag postgresql-$x:latest ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-$x:latest
-          done
-
       - name: Log in to the Container registry
         uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
         with:
@@ -51,7 +38,6 @@ jobs:
       - name: Push image to the Container registry
         run: |
           set -x
-          for x in 14 15; do
-            docker push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-$x:${GITHUB_SHA}
-            docker push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-$x:latest
+          for x in 15 16 orioledb_16; do
+            nix build .#psql_$x/docker.copyToRegistry          
           done