Create docker checker and installer

app/Dockerfile

@@ -2,6 +2,7 @@ FROM python:3.11-slim-bookworm AS app
 LABEL "website"="https://github.com/mate-dev/mmrelaynode"
 RUN groupadd -g 1000 mesh && useradd -ml -u 1000 -g 1000 -s /bin/bash mesh
 RUN pip install --upgrade pip -qq
+RUN ln -s /home/mesh/.local/bin/meshtastic /bin/meshtastic
 USER mesh
 COPY --chown=mesh:mesh meshtastic-matrix-relay /home/mesh/app
 WORKDIR /home/mesh/app

mmrelay.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+set -e
+
+#Check linux distro
+OS=$(uname -s | tr A-Z a-z)
+source /etc/os-release
+case $ID in
+    debian|ubuntu|mint)
+    RUN="apt-get"
+    ;;
+    fedora|rhel|centos)
+    RUN="yum"
+    ;;
+    *)
+    echo -n "unsupported linux distro"
+    ;;
+esac
+# Check and install docker and git
+if ! docker &> /dev/null; then
+    echo "Docker is not installed. Installing it via the script from docker.com"
+    echo "================================================================"
+    sudo $RUN update &> /dev/null && sudo $RUN install -y curl &> /dev/null && sudo $RUN install -y git &> /dev/null
+    sudo groupadd docker > /dev/null 2>&1 || true
+    sudo usermod -aG docker $USER
+    curl -fsSL https://get.docker.com -o get-docker.sh
+    chmod +x get-docker.sh
+    sh -c ./get-docker.sh
+    rm get-docker.sh
+fi
+
+# Sprawdzamy, czy docker działa poprzez listowanie kontenerów
+if ! docker ps | grep -q "CONTAINER"; then
+    echo "================================================================================"
+    echo "If you see this error, type 'newgrp docker' and check if 'docker ps' returns an error."
+    echo "Or log out and log in for the changes to take effect."
+    echo "After this re-enable the script."
+    exit 1
+fi
+
+# Pozostała część skryptu
+echo "jedziemy"
+#docker compose -f "docker-compose.yaml" up -d --build