fix: add docker push step to build.yml

Dockerfile

@@ -1,6 +1,12 @@
 FROM ghcr.io/astral-sh/uv:python3.12-alpine AS builder
 ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy
 WORKDIR /app
+
+# Аргументы для метаданных
+ARG BUILD_VERSION=unknown
+ARG BUILD_DATE=unknown
+ARG VCS_REF=unknown
+
 RUN --mount=type=cache,target=/root/.cache/uv \
     --mount=type=bind,source=uv.lock,target=uv.lock \
     --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
@@ -8,7 +14,18 @@ RUN --mount=type=cache,target=/root/.cache/uv \
 
 FROM python:3.12-alpine
 WORKDIR /app
+
+# Метки для образа
+LABEL org.opencontainers.image.title="uVPN Backend"
+LABEL org.opencontainers.image.description="uVPN Shop Backend Service"
+LABEL org.opencontainers.image.version="${BUILD_VERSION}"
+LABEL org.opencontainers.image.created="${BUILD_DATE}"
+LABEL org.opencontainers.image.revision="${VCS_REF}"
+LABEL org.opencontainers.image.source="https://git.uvpn.shop/${{ gitea.repository }}"
+LABEL org.opencontainers.image.licenses="MIT"
+
 COPY --from=builder /app/.venv /app/.venv
 COPY . /app
+
 ENV PATH="/app/.venv/bin:$PATH"
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]