3 files changed, 135 insertions, 0 deletions
diff --git a/debian/postinst b/debian/postinst
new file mode 100644
index 0000000..f47ea01
--- /dev/null
+++ b/debian/postinst
@@ -0,0 +1,54 @@
+#!/bin/bash
+set -e
+case "$1" in
+  configure)
+    # Create system user/group
+    if ! getent passwd witryna >/dev/null; then
+      adduser --system --group --no-create-home --home /var/lib/witryna witryna
+    fi
+    # Create data + log directories
+    install -d -o witryna -g witryna -m 0755 /var/lib/witryna
+    install -d -o witryna -g witryna -m 0755 /var/lib/witryna/clones
+    install -d -o witryna -g witryna -m 0755 /var/lib/witryna/builds
+    install -d -o witryna -g witryna -m 0755 /var/lib/witryna/cache
+    install -d -o witryna -g witryna -m 0755 /var/log/witryna
+    # Config file is installed by dpkg from the asset.
+    # Fix ownership so the witryna service can read it (Group=witryna in unit).
+    chown root:witryna /etc/witryna/witryna.toml
+    chmod 640 /etc/witryna/witryna.toml
+    # Auto-detect and configure container runtime
+    if command -v docker >/dev/null 2>&1 && docker info >/dev/null 2>&1; then
+        # Docker: add to docker group + install override
+        if getent group docker >/dev/null; then
+            usermod -aG docker witryna || true
+        fi
+        mkdir -p /etc/systemd/system/witryna.service.d
+        cp /usr/share/doc/witryna/examples/systemd/docker.conf \
+           /etc/systemd/system/witryna.service.d/10-runtime.conf
+        chmod 644 /etc/systemd/system/witryna.service.d/10-runtime.conf
+        systemctl daemon-reload >/dev/null 2>&1 || true
+        echo "witryna: Docker detected and configured."
+    elif command -v podman >/dev/null 2>&1 && podman info >/dev/null 2>&1; then
+        # Podman: subuids + lingering + override
+        if ! grep -q "^witryna:" /etc/subuid 2>/dev/null; then
+            usermod --add-subuids 100000-165535 witryna || true
+        fi
+        if ! grep -q "^witryna:" /etc/subgid 2>/dev/null; then
+            usermod --add-subgids 100000-165535 witryna || true
+        fi
+        loginctl enable-linger witryna >/dev/null 2>&1 || true
+        mkdir -p /etc/systemd/system/witryna.service.d
+        cp /usr/share/doc/witryna/examples/systemd/podman.conf \
+           /etc/systemd/system/witryna.service.d/10-runtime.conf
+        chmod 644 /etc/systemd/system/witryna.service.d/10-runtime.conf
+        systemctl daemon-reload >/dev/null 2>&1 || true
+        echo "witryna: Podman detected and configured."
+    else
+        echo "witryna: WARNING — no container runtime (docker/podman) detected."
+        echo "  Install one, then reinstall this package or copy an override from"
+        echo "  /usr/share/doc/witryna/examples/systemd/ manually."
+    fi
+    ;;
+esac
+#DEBHELPER#
+exit 0
diff --git a/debian/postrm b/debian/postrm
new file mode 100644
index 0000000..5a7f86a
--- /dev/null
+++ b/debian/postrm
@@ -0,0 +1,19 @@
+#!/bin/bash
+set -e
+case "$1" in
+  purge)
+    if getent passwd witryna >/dev/null; then
+      deluser --quiet --system witryna >/dev/null || true
+    fi
+    if getent group witryna >/dev/null; then
+      delgroup --quiet --system witryna >/dev/null || true
+    fi
+    rm -rf /etc/witryna
+    rm -rf /etc/systemd/system/witryna.service.d
+    systemctl daemon-reload >/dev/null 2>&1 || true
+    loginctl disable-linger witryna >/dev/null 2>&1 || true
+    # /var/lib/witryna and /var/log/witryna left for manual cleanup
+    ;;
+esac
+#DEBHELPER#
+exit 0
diff --git a/debian/witryna.service b/debian/witryna.service
new file mode 100644
index 0000000..d3e0713
--- /dev/null
+++ b/debian/witryna.service
@@ -0,0 +1,62 @@
+[Unit]
+Description=Witryna - Git-based static site deployment orchestrator
+Documentation=man:witryna(1) man:witryna.toml(5)
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=witryna
+Group=witryna
+
+# Start the deployment server
+ExecStart=/usr/bin/witryna serve --config /etc/witryna/witryna.toml
+ExecReload=/bin/kill -HUP $MAINPID
+
+# Environment
+Environment="RUST_LOG=info"
+
+# Restart policy
+Restart=on-failure
+RestartSec=5
+StartLimitBurst=3
+StartLimitIntervalSec=60
+
+# Security hardening
+NoNewPrivileges=yes
+PrivateTmp=yes
+ProtectSystem=strict
+ProtectKernelTunables=yes
+ProtectKernelModules=yes
+ProtectControlGroups=yes
+RestrictNamespaces=yes
+RestrictRealtime=yes
+RestrictSUIDSGID=yes
+LockPersonality=yes
+MemoryDenyWriteExecute=yes
+
+# Note: ProtectHome=yes is NOT set because it hides /run/user/<uid>,
+# which is required for rootless Podman. The witryna user's home is
+# /var/lib/witryna (covered by ReadWritePaths), not /home.
+
+# Allow read/write to witryna directories
+ReadWritePaths=/var/lib/witryna
+ReadWritePaths=/var/log/witryna
+
+# Allow access to container runtime directories
+# For Podman (rootless): needs /run/user/<uid> for XDG_RUNTIME_DIR
+ReadWritePaths=/run/user
+# For Docker:
+# SupplementaryGroups=docker
+# ReadWritePaths=/var/run/docker.sock
+
+# Capabilities (minimal for container runtime access)
+CapabilityBoundingSet=
+AmbientCapabilities=
+
+# Resource limits
+LimitNOFILE=65536
+LimitNPROC=4096
+
+[Install]
+WantedBy=multi-user.target