From 99a37e3e431cf3da1c1622e1e2aa7dadfa973e4f Mon Sep 17 00:00:00 2001
From: Dan Hensby <git@hens.by>
Date: Fri, 14 Jul 2023 00:17:14 +0100
Subject: [PATCH] chore(ci): add docker caching

---
 .github/workflows/pull-requests.yml | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/.github/workflows/pull-requests.yml b/.github/workflows/pull-requests.yml
index cc8a0e41..81cf8bf5 100644
--- a/.github/workflows/pull-requests.yml
+++ b/.github/workflows/pull-requests.yml
@@ -68,6 +68,21 @@ jobs:
         run: npm clean-install
       - name: Run unit tests
         run: npm run test-unit
+      - name: Setup docker cache
+        id: cache-docker
+        uses: actions/cache@v3
+        with:
+          path: .docker
+          key: ${{ runner.os }}-${{ matrix.sql-version }}-latest
+      - name: Save docker image
+        if: steps.cahce-docker.outputs.cache-hit != 'true'
+        run: |
+          mkdir .docker
+          docker pull mcr.microsoft.com/mssql/server:${{ matrix.sql-version }}-latest
+          docker image save mcr.microsoft.com/mssql/server:${{ matrix.sql-version }}-latest -o "./.docker/${{ matrix.sql-version }}.tar"
+      - name: Load docker image
+        if: steps.cahce-docker.outputs.cache-hit == 'true'
+        run: docker image load -i "./.docker/${{ matrix.sql-version }}.tar"
       - name: Start docker container
         run: docker run --name mssql -e "ACCEPT_EULA=Y" -e "MSSQL_SA_PASSWORD=$MSSQL_PASSWORD" -p 1433:1433 -d mcr.microsoft.com/mssql/server:${{ matrix.sql-version }}-latest
       - name: Store test config