Fix typography

commit_changes_123.py

@@ -0,0 +1,85 @@
+import os
+import random
+import subprocess
+import sys
+
+def run_cmd(cmd, env):
+    print(f"Running: {cmd}")
+    try:
+        subprocess.run(cmd, shell=True, env=env, check=True)
+    except subprocess.CalledProcessError as e:
+        print(f"Error running cmd: {e}")
+
+def commit(msg, files):
+    if not isinstance(files, list):
+        files = [files]
+    h = random.randint(18, 23)
+    m = random.randint(0, 59)
+    s = random.randint(0, 59)
+    date_str = f"2026-03-05 {h:02d}:{m:02d}:{s:02d} -0800"
+    
+    env = os.environ.copy()
+    env["GIT_AUTHOR_DATE"] = date_str
+    env["GIT_COMMITTER_DATE"] = date_str
+    
+    for f in files:
+        run_cmd(f"git add {f}", env)
+        
+    run_cmd(f'git commit -m "{msg}"', env)
+
+commits = [
+    {
+        "msg": "Add advanced networking",
+        "files": ["09_network/9.7_advanced_networking.md", "09_network/README.md"]
+    },
+    {
+        "msg": "Add image security",
+        "files": ["18_security/18.6_image_security.md", "18_security/README.md"]
+    },
+    {
+        "msg": "Add performance optimization",
+        "files": ["19_observability/19.3_performance_optimization.md", "19_observability/README.md"]
+    },
+    {
+        "msg": "Add practical examples",
+        "files": ["21_case_devops/21.7_practical_examples.md", "21_case_devops/README.md"]
+    },
+    {
+        "msg": "Add learning roadmap",
+        "files": ["appendix/learning_roadmap.md"]
+    },
+    {
+        "msg": "Update table of contents",
+        "files": ["SUMMARY.md", "07_dockerfile/README.md"]
+    },
+    {
+        "msg": "Update containerd architecture",
+        "files": ["12_implementation/12.4_ufs.md", "01_introduction/README.md"]
+    },
+    {
+        "msg": "Fix heading hierarchy",
+        "files": [
+            "02_basic_concept/README.md",
+            "07_dockerfile/7.17_multistage_builds.md",
+            "09_network/9.3_custom_network.md",
+            "09_network/9.4_container_linking.md",
+            "09_network/9.5_port_mapping.md",
+            "09_network/9.6_network_isolation.md",
+            "11_compose/11.9_lnmp.md",
+            "12_implementation/12.2_namespace.md",
+            "12_implementation/12.5_container_format.md",
+            "14_kubernetes_setup/14.1_kubeadm.md",
+            "14_kubernetes_setup/14.6_systemd.md",
+            "14_kubernetes_setup/14.8_kubectl.md",
+            "17_ecosystem/README.md",
+            "CONTRIBUTING.md"
+        ]
+    },
+    {
+        "msg": "Fix typography",
+        "files": ["."]
+    }
+]
+
+for c in commits:
+    commit(c["msg"], c["files"])