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app.py

@@ -125,6 +125,37 @@ def docker_inspect_restart_count(container_name: str) -> int:
     except Exception:
         return 0
 
+def get_container_logs(container_name: str, lines: int = 50) -> list[dict]:
+    """
+    Get last N lines of container logs with error detection.
+    Returns list of dicts with 'text' and 'level' keys.
+    """
+    try:
+        out = sh([DOCKER, "logs", "--tail", str(lines), container_name])
+        log_lines = []
+        
+        for line in out.splitlines():
+            # Strip ANSI color codes
+            line_clean = re.sub(r'\x1b\[[0-9;]*m', '', line)
+            
+            # Detect log level
+            line_lower = line_clean.lower()
+            if any(x in line_lower for x in ['error', 'exception', 'fatal', 'critical']):
+                level = 'error'
+            elif any(x in line_lower for x in ['warn', 'warning']):
+                level = 'warn'
+            else:
+                level = 'info'
+            
+            log_lines.append({
+                'text': line_clean,
+                'level': level
+            })
+        
+        return log_lines
+    except Exception:
+        return []
+
 def is_app_web_container(name: str) -> bool:
     # Dokku apps typically have containers like "<app>.web.1"
     return name.endswith(".web.1") and not name.startswith("dokku.")
@@ -169,6 +200,7 @@ def collect():
             "mem_limit": s.get("mem_limit", ""),
             "mem_pct": s.get("mem_pct", ""),
             "restarts": docker_inspect_restart_count(name),
+            "logs": get_container_logs(name, lines=50),
         }
 
         if is_app_web_container(name):

templates/apps_table.html

@@ -367,3 +367,101 @@
             </table>
         </div>
         {% endif %}
+
+        <!-- APPLICATION LOGS SECTION -->
+        <h2 style="margin-top: 32px;">[ APPLICATION LOGS ]</h2>
+        {% for r in data.apps %}
+        <div style="
+    border: 2px solid #30363d;
+    margin-bottom: 16px;
+    background: rgba(0, 217, 255, 0.02);
+">
+            <!-- Header -->
+            <div style="
+        display: flex;
+        justify-content: space-between;
+        align-items: center;
+        padding: 12px 16px;
+        cursor: pointer;
+    " onclick="toggleLogs('logs-{{ loop.index }}')">
+                <div style="font-weight: 700; color: #00d9ff;">[{{ r.app }}]</div>
+                <button style="
+            background: rgba(0, 217, 255, 0.1);
+            border: 1px solid #00d9ff;
+            color: #00d9ff;
+            padding: 4px 12px;
+            font-family: 'JetBrains Mono', monospace;
+            font-size: 10px;
+            font-weight: 700;
+            cursor: pointer;
+            pointer-events: none;
+        ">[EXPAND]</button>
+            </div>
+
+            <!-- Collapsible logs -->
+            <div id="logs-{{ loop.index }}" style="display: none; border-top: 2px solid #30363d;">
+                <div style="padding: 16px; background: #0a0e17;">
+                    <div style="display: flex; justify-content: space-between; margin-bottom: 12px;">
+                        <div style="color: #00d9ff; font-size: 10px; font-weight: 700; letter-spacing: 2px;">
+                            [LAST 50 LINES]
+                        </div>
+                        <button onclick="event.stopPropagation(); copyLogs('logs-content-{{ loop.index }}')" style="
+                    background: rgba(0, 255, 136, 0.1);
+                    border: 1px solid #00ff88;
+                    color: #00ff88;
+                    padding: 4px 10px;
+                    font-family: 'JetBrains Mono', monospace;
+                    font-size: 10px;
+                    font-weight: 700;
+                    cursor: pointer;
+                " onmouseover="this.style.background='rgba(0, 255, 136, 0.2)';"
+                            onmouseout="this.style.background='rgba(0, 255, 136, 0.1)';">
+                            COPY
+                        </button>
+                    </div>
+
+                    <div id="logs-content-{{ loop.index }}" style="
+                background: #000;
+                border: 1px solid #30363d;
+                padding: 12px;
+                max-height: 400px;
+                overflow-y: auto;
+                font-family: 'JetBrains Mono', monospace;
+                font-size: 11px;
+                line-height: 1.6;
+            ">
+                        {% if r.logs %}
+                        {% for log in r.logs %}
+                        <div
+                            style="color: {% if log.level == 'error' %}#ff5555{% elif log.level == 'warn' %}#ffb86c{% else %}#8b949e{% endif %};">
+                            {{ log.text }}</div>
+                        {% endfor %}
+                        {% else %}
+                        <div style="color: #8b949e;">[no logs available]</div>
+                        {% endif %}
+                    </div>
+                </div>
+            </div>
+        </div>
+        {% endfor %}
+
+        <script>
+            function toggleLogs(id) {
+                const el = document.getElementById(id);
+                el.style.display = el.style.display === 'none' ? 'block' : 'none';
+            }
+
+            function copyLogs(id) {
+                const el = document.getElementById(id);
+                navigator.clipboard.writeText(el.innerText).then(() => {
+                    const btn = event.target;
+                    const orig = btn.textContent;
+                    btn.textContent = 'COPIED!';
+                    btn.style.background = 'rgba(0, 255, 136, 0.3)';
+                    setTimeout(() => {
+                        btn.textContent = orig;
+                        btn.style.background = 'rgba(0, 255, 136, 0.1)';
+                    }, 1500);
+                });
+            }
+        </script>