feat: SugarCRM 6.5.26 CE - Docker + compose + CI/CD

- PHP 5.6 Apache Dockerfile (Debian Jessie, archive repos)
- Source from bklein01/sugarcrm GitHub mirror
- MySQL 5.7 database with healthcheck
- Silent install via init.sh (AdminWizard disabled)
- REST v4.1 API test script (test_api.py)
- Gitea Actions CI/CD for registry push
- Full README with API docs and pitfall notes

envtemplate.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+import os, sys, getopt
+from string import Template
+
+def main(argv):
+  inputfile = ''
+  outputfile = ''
+  try:
+    opts, args = getopt.getopt(argv,"hi:o:",["ifile=","ofile="])
+  except getopt.GetoptError:
+    print 'envtemplate.py -i <inputfile> -o <outputfile>'
+    sys.exit(2)
+  for opt, arg in opts:
+    if opt == '-h':
+      print 'envtemplate.py -i <inputfile> -o <outputfile>'
+      sys.exit()
+    elif opt in ("-i", "--ifile"):
+      inputfile = arg
+    elif opt in ("-o", "--ofile"):
+      outputfile = arg
+
+  # Populate case-insensitive env var dictionary
+  values = dict()
+  for k in os.environ:
+    v = os.environ.get(k)
+    values[k] = v
+    values[k.lower()] = v
+
+  # Read template and substitute
+  with open(inputfile) as f:
+    templatestr = f.read()
+
+  out = Template(templatestr).substitute(values)
+
+  print "Writing output to {}".format(outputfile)
+
+  with open(outputfile, "w") as f:
+    f.write(out)
+
+if __name__ == "__main__":
+   main(sys.argv[1:])