diff --git a/s/Singularity/Singularity-3.8.7.eb b/s/Singularity/Singularity-3.8.7.eb
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+# IT4Innovations 
+# LK 2022
+
+# Dokoncit `make install` rucne, nejde bez ROOTa !!!
+# /apps/all/Singularity/3.7.0/etc/singularity/singularity.conf nv=yes !!!
+# Poslat info na tomas.karasek@vsb.cz o zmene...
+
+easyblock = 'ConfigureMake'
+
+name = 'Singularity'
+version = '3.8.7'
+
+homepage = 'https://github.com/sylabs/singularity'
+description = "Singularity is an open source container platform designed to be simple, fast, and secure. Singularity is optimized for EPC and HPC workloads, allowing untrusted users to run untrusted containers in a trusted way."
+
+toolchain = SYSTEM
+
+source_urls = ['https://github.com/hpcng/singularity/releases/download/v%s/' % version]
+sources = ['singularity-%(version)s.tar.gz']
+checksums = ['3329f2e583f84a8343cb2c0380a1d6cbceafae7d1e633b5cbcadf7143eac859b']
+
+builddependencies = [
+        ('Go', '1.17.6'),
+]
+
+dependencies = [
+        ('squashfs-tools', '4.3'),
+]
+
+osdependencies = [
+    ('openssl-devel', 'libssl-dev', 'libopenssl-devel'),
+]
+
+skipsteps = ['configure']
+prebuildopts = './mconfig --prefix=%(installdir)s && '
+buildopts = '-C ./builddir'
+
+
+postinstallcmds = [
+        'echo "mksquashfs path = /apps/all/squashfs-tools/4.3/bin" >> %(installdir)s/etc/singularity/singularity.conf',
+]
+
+sanity_check_paths = {
+    'files': ['bin/singularity'],
+    'dirs': ['bin', 'etc', 'libexec', 'var'],
+}
+
+moduleclass = 'tools'