docker: allow configuring http proxy via env variables
docker: allow configuring http proxy via env variables

asciimoo/searx,dalf/searx,jcherqui/searx,jcherqui/searx,asciimoo/searx,jcherqui/searx,asciimoo/searx,asciimoo/searx,dalf/searx,jcherqui/searx,dalf/searx,dalf/searx