ARG APP_VERSION=0.0.0
ARG BUILD_DATE=unknown
ARG GIT_COMMIT=unknown
ARG GIT_BRANCH=unknown

FROM nginx:alpine AS runtime

ARG APP_VERSION
ARG BUILD_DATE
ARG GIT_COMMIT
ARG GIT_BRANCH

LABEL org.opencontainers.image.title="cicd-multi-env-pipeline-poc"
LABEL org.opencontainers.image.description="Multi-environment CI/CD pipeline POC"
LABEL org.opencontainers.image.version="${APP_VERSION}"
LABEL org.opencontainers.image.created="${BUILD_DATE}"
LABEL org.opencontainers.image.revision="${GIT_COMMIT}"
LABEL org.opencontainers.image.source="https://git.kubistudio.cloud/kubistudio/cicd-multi-env-pipeline-poc"

RUN apk add --no-cache curl && apk upgrade --no-cache libxml2

COPY nginx.conf /etc/nginx/nginx.conf
COPY src/ /usr/share/nginx/html/
COPY healthcheck.sh /usr/local/bin/healthcheck.sh

RUN chmod +x /usr/local/bin/healthcheck.sh

COPY docker-entrypoint.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/docker-entrypoint.sh

EXPOSE 80

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD /usr/local/bin/healthcheck.sh

ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
CMD ["nginx", "-g", "daemon off;"]