chore: add build id to settings page (#6873)

- Adds a build Id to the settings page

docker/Dockerfile

@@ -60,9 +60,14 @@ RUN if [ "$RAILS_ENV" = "production" ]; then \
   && rm -rf spec node_modules tmp/cache; \
   fi
 
+# Generate .git_sha file with current commit hash
+RUN git rev-parse HEAD > /app/.git_sha
+
 # Remove unnecessary files
 RUN rm -rf /gems/ruby/3.1.0/cache/*.gem \
-  && find /gems/ruby/3.1.0/gems/ \( -name "*.c" -o -name "*.o" \) -delete
+  && find /gems/ruby/3.1.0/gems/ \( -name "*.c" -o -name "*.o" \) -delete \
+  && rm -rf .git \
+  && rm .gitignore
 
 # final build stage
 FROM ruby:3.1.3-alpine3.16
@@ -100,6 +105,9 @@ RUN if [ "$RAILS_ENV" != "production" ]; then \
 COPY --from=pre-builder /gems/ /gems/
 COPY --from=pre-builder /app /app
 
+# Copy .git_sha file from pre-builder stage
+COPY --from=pre-builder /app/.git_sha /app/.git_sha
+
 WORKDIR /app
 
 EXPOSE 3000