fix: rename workflow to deploy, and parse git rev in the dockerfile

.dockerignore

@@ -1,6 +1,5 @@
 node_modules
 dist
 *.log
-.git
 .env
 .cache

.gitea/workflows/deploy.yml

@@ -33,7 +33,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build Docker image
-        run: docker build --build-arg COMMIT_SHA=$(git rev-parse --short HEAD) -f apps/discord-bot/Dockerfile .
+        run: docker build -f apps/discord-bot/Dockerfile .
 
   deploy:
     runs-on: ubuntu-latest

apps/discord-bot/Dockerfile

@@ -1,5 +1,9 @@
-FROM node:22-alpine
+FROM alpine AS git-sha
+RUN apk add --no-cache git
+COPY .git .git
+RUN git rev-parse --short HEAD > /commit_sha
 
+FROM node:22-alpine
 WORKDIR /app
 
 RUN corepack enable && corepack prepare pnpm@10.24.0 --activate
@@ -15,7 +19,6 @@ RUN pnpm --filter @lbf-bot/utils run build
 RUN pnpm --filter @lbf-bot/database run build
 RUN pnpm --filter @lbf/discord-bot run build
 
-ARG COMMIT_SHA=dev
-ENV COMMIT_SHA=$COMMIT_SHA
+COPY --from=git-sha /commit_sha /commit_sha
 
-CMD ["node", "apps/discord-bot/dist/index.js"]
+CMD export COMMIT_SHA=$(cat /commit_sha) && exec node apps/discord-bot/dist/index.js