Working at last !

software/mynij-proxy/buildout.hash.cfg

+# THIS IS NOT A BUILDOUT FILE, despite purposedly using a compatible syntax.
+# The only allowed lines here are (regexes):
+# - "^#" comments, copied verbatim
+# - "^[" section beginings, copied verbatim
+# - lines containing an "=" sign which must fit in the following categorie.
+#   - "^\s*filename\s*=\s*path\s*$" where "path" is relative to this file
+#     Copied verbatim.
+#   - "^\s*hashtype\s*=.*" where "hashtype" is one of the values supported
+#     by the re-generation script.
+#     Re-generated.
+# - other lines are copied verbatim
+# Substitution (${...:...}), extension ([buildout] extends = ...) and
+# section inheritance (< = ...) are NOT supported (but you should really
+# not need these here).
+[instance-profile]
+filename = instance.cfg.in
+md5sum = 4c105941aa39a73e689e35dd9cdbb1f3

software/mynij-proxy/instance.cfg.in

+[buildout]
+parts =
+  publish-connection-parameter
+
+# Define egg directories to be the one from Software Release
+# (/opt/slapgrid/...)
+# Always the same.
+eggs-directory = {{ buildout['eggs-directory'] }}
+develop-eggs-directory = {{ buildout['develop-eggs-directory'] }}
+offline = true
+
+
+[slap-configuration]
+recipe = slapos.cookbook:slapconfiguration
+computer = ${slap-connection:computer-id}
+partition = ${slap-connection:partition-id}
+url = ${slap-connection:server-url}
+key = ${slap-connection:key-file}
+cert = ${slap-connection:cert-file}
+
+# Create all needed directories, depending on your needs
+[directory]
+recipe = slapos.cookbook:mkdirectory
+home = ${buildout:directory}
+etc = ${:home}/etc
+var = ${:home}/var
+# Executables put here will be started but not monitored (for startup scripts)
+script = ${:etc}/run/
+# Executables put here will be started and monitored (for daemons)
+service = ${:etc}/service
+# Path of the log directory used by our service (see [helloweb])
+log = ${:var}/log
+plugins = ${:etc}/plugins
+
+[proxy-service]
+# Actual script that starts the service:
+# This recipe will try to "exec" the command-line after separating parameters.
+recipe = slapos.cookbook:wrapper
+command-line =
+    {{ gunicorn_bin }} --bind [${:host}]:${:port} app:app
+host = ${slap-configuration:ipv6-random}
+port = 3001
+
+wrapper-path = ${directory:service}/mynij-proxy
+
+
+# Publish all the parameters needed for the user to connect to the instance.
+# It can be anything: URL(s), password(s), or arbitrary parameters.
+# Here we'll just echo back the entered name as instance parameter
+[publish-connection-parameter]
+recipe = slapos.cookbook:publish
+url = http://[${proxy-service:host}]:${proxy-service:port}

software/mynij-proxy/software.cfg

+[buildout]
+
+extends =
+# buildout.hash.cfg is used for automated hash calculation of managed
+# instance files by calling update-hash
+  buildout.hash.cfg
+# "slapos" stack describes basic things needed for 99.9% of SlapOS Software
+# Releases
+  ../../stack/slapos.cfg
+  ../../component/git/buildout.cfg
+;  ../../stack/monitor/buildout.cfg
+# Extend here component profiles, like openssl, apache, mariadb, curl...
+# Or/and extend a stack (lamp, tomcat) that does most of the work for you
+# In this example we extend from helloweb component.
+# ../../component/component1/buildout.cfg
+# ../../component/component2/buildout.cfg
+;  ../../component/helloweb/buildout.cfg
+
+parts =
+# Call installation of slapos.cookbook egg defined in stack/slapos.cfg (needed
+# in 99,9% of Slapos Software Releases)
+  slapos-cookbook
+  mynij-proxy-develop
+  proxy-eggs
+  instance-profile
+  
+[python]
+part = python3
+
+[jinja-template]
+recipe = slapos.recipe.template:jinja2
+template = ${:_profile_base_location_}/${:filename}
+mode = 0644
+
+[proxy-eggs]
+recipe = zc.recipe.egg
+eggs = 
+  gunicorn
+  flask
+  flask-slapos
+scripts = 
+  gunicorn
+
+[mynij-proxy-repository]
+recipe = slapos.recipe.build:gitclone
+repository = https://github.com/abilian/slapos-flask-sample.git
+branch = main
+git-executable = ${git:location}/bin/git
+# revision = 0b5ff71a2ede76499e81659aed392057ae910917
+
+[mynij-proxy-develop]
+recipe = zc.recipe.egg:develop
+setup = ${mynij-proxy-repository:location}
+
+
+# Download instance.cfg.in (buildout profile used to deployment of instance),
+# replace all ${foo:bar} parameters by real values, and change $${foo:bar} to
+# ${foo:bar}
+# The recipe, template and mode are fetched from jijna-template
+[instance-profile]
+# The <= is buildout verb to use defined template
+<= jinja-template
+rendered = ${buildout:directory}/instance.cfg
+extensions = jinja2.ext.do
+context =
+  section buildout  buildout
+  key mynij_proxy_location mynij-proxy-repository:location
+  raw gunicorn_bin ${buildout:bin-directory}/gunicorn
+
+
+[versions]
+gunicorn = 20.1.0