fix: switch from compiled bun binary to bun run to fix Fastify plugin name crash

Dockerfile

@@ -6,8 +6,9 @@ COPY packages/backend/package.json packages/backend/
 COPY packages/admin/package.json packages/admin/
 RUN bun install --frozen-lockfile
 
-FROM oven/bun:1.3.11-alpine AS build
+FROM oven/bun:1.3.11-alpine
 ARG APP_VERSION=dev
+ENV APP_VERSION=${APP_VERSION}
 WORKDIR /app
 COPY --from=deps /app/node_modules ./node_modules
 COPY --from=deps /app/packages/shared/node_modules ./packages/shared/node_modules
@@ -16,18 +17,11 @@ COPY packages/shared ./packages/shared
 COPY packages/backend ./packages/backend
 COPY package.json ./
 COPY tsconfig.base.json ./
-WORKDIR /app/packages/backend
-RUN bun build src/main.ts --compile --outfile /app/server \
-  --define "process.env.APP_VERSION='${APP_VERSION}'"
-
-FROM alpine:3.21
-RUN apk add --no-cache libstdc++ && addgroup -S app && adduser -S app -G app
-WORKDIR /app
-COPY --from=build /app/server ./server
-COPY --from=build /app/packages/backend/src/db/migrations ./migrations
+RUN addgroup -S app && adduser -S app -G app
+COPY packages/backend/src/db/migrations ./migrations
 ENV MIGRATIONS_DIR=/app/migrations
 EXPOSE 8000
 HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
   CMD wget -qO- http://localhost:8000/v1/health || exit 1
 USER app
-CMD ["./server"]
+CMD ["bun", "run", "packages/backend/src/main.ts"]