Add caching in CI

.gitea/workflows/ci.yml

@@ -59,6 +59,40 @@ jobs:
       - name: Install plugin
         run: cp -r plugin core/plugins/hledger
 
+      - name: Container envs
+        id: container-envs
+        run: |
+          echo "ruby_version=$RUBY_VERSION" >> "$GITHUB_OUTPUT"
+          echo "debian_release=$DEBIAN_RELEASE" >> "$GITHUB_OUTPUT"
+
+      - name: Bundler cache
+        uses: actions/cache@v4
+        with:
+          path: core/vendor/bundle
+          key: ${{ runner.os }}-${{ steps.container-envs.outputs.ruby_version }}-${{ steps.container-envs.outputs.debian_release }}-gems-${{ hashFiles('core/Gemfile.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ steps.container-envs.outputs.ruby_version }}-${{ steps.container-envs.outputs.debian_release }}-gems-
+
+      - name: Get pnpm store directory
+        id: pnpm-store
+        working-directory: core
+        run: echo "dir=$(pnpm store path)" >> "$GITHUB_OUTPUT"
+
+      - name: pnpm cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.pnpm-store.outputs.dir }}
+          key: ${{ runner.os }}-pnpm-${{ hashFiles('core/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-
+
+      - name: App state cache
+        id: app-cache
+        uses: actions/cache@v4
+        with:
+          path: core/tmp/app-cache
+          key: ${{ runner.os }}-app-v1-${{ hashFiles('core/db/**/*', 'core/plugins/hledger/db/**/*', 'plugin/.gitea/workflows/ci.yml') }}
+
       - name: Install hledger
         run: |
           apt-get update
@@ -77,17 +111,32 @@ jobs:
 
       - name: Setup gems
         working-directory: core
-        run: bundle install
+        run: |
+          bundle config set --local path vendor/bundle
+          bundle config set --local without development
+          bundle config set --local deployment true
+          bundle install
 
       - name: Install JS dependencies
         working-directory: core
         run: pnpm install --frozen-lockfile
 
-      - name: Prepare database
+      - name: Restore database from cache
+        if: steps.app-cache.outputs.cache-hit == 'true'
+        working-directory: core
+        run: |
+          psql -f tmp/app-cache/cache.sql postgres
+          rm -rf public/uploads && cp -r tmp/app-cache/uploads public/uploads
+
+      - name: Create and migrate database
+        if: steps.app-cache.outputs.cache-hit != 'true'
         working-directory: core
         run: |
           bin/rake db:create
           bin/rake db:migrate
+          mkdir -p tmp/app-cache
+          pg_dumpall > tmp/app-cache/cache.sql
+          rm -rf tmp/app-cache/uploads && cp -r public/uploads tmp/app-cache/uploads
 
       - name: Plugin RSpec
         working-directory: core