feat(ci): add workflow

.github/workflows/build.yaml

@@ -0,0 +1,51 @@
+name: Build and push image
+
+on:
+  push:
+    branches:
+      - master
+
+permissions:
+  contents: read
+  id-token: write
+  packages: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    outputs:
+      tag: ${{ steps.vars.outputs.image-tag }}
+      application: ${{ steps.vars.outputs.application }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set variables
+        id: vars
+        env:
+          EVENT_NAME: ${{ github.event_name }}
+          REF_TYPE: ${{ github.ref_type }}
+          REF_NAME: ${{ github.ref_name }}
+          GIT_SHA: ${{ github.sha }}
+        run: |
+          date="$(date -u +%Y%m%d)"
+          short_rev="$(git rev-parse --short "$GIT_SHA")"
+          echo "image-tag=${REF_NAME}" >> $GITHUB_OUTPUT
+          echo "application=bacchus-snu/snucse" >> $GITHUB_OUTPUT
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Configure registry credentials
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ghcr.io/bacchus-snu/${{ vars.IMAGE_NAME }}:${{ steps.vars.outputs.image-tag }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max