fix: add git to Dockerfile build container

Dockerfile

@@ -1,8 +1,12 @@
-# Copy the built files and node_modules into a new image
-FROM cgr.dev/chainguard/node:20@sha256:f30d39c6980f0a50119f2aa269498307a80c2654928d8e23bb25431b9cbbdc4f
+### BUILD ###
+
+FROM docker.io/library/node:20-alpine as with-git
 
 WORKDIR /app
 
+# install git
+RUN apk --no-cache add git
+
 # Copy the node config files
 COPY --chown=node:node ./package*.json ./
 
@@ -21,3 +25,12 @@ RUN npm ci --omit=dev --omit=peer && \
 # Sync the pepr dist files
 COPY --chown=node:node ./dist/  ./node_modules/pepr/dist/
 COPY --chown=node:node ./package.json  ./node_modules/pepr/package.json
+
+
+##### DELIVER #####
+
+FROM cgr.dev/chainguard/node:20@sha256:f30d39c6980f0a50119f2aa269498307a80c2654928d8e23bb25431b9cbbdc4f
+
+WORKDIR /app
+
+COPY --from=with-git --chown=node:node /app/ /app/