feat(docker): add split backend/frontend stacks and dynamic versioning

deployment/docker/backend/.env.example

@@ -0,0 +1,34 @@
+###BEGIN GENERAL###
+STACK_NAME=stk-depl0y-backend-001
+STACK_BINDMOUNTROOT=custom/docker/stacks
+TZ=America/New_York
+UID=0
+GID=0
+SERVICE_BIND_ADDRESS_EXTERNAL=0.0.0.0
+SERVICE_BIND_ADDRESS_INTERNAL=127.0.0.1
+DNSSERVER=1.1.1.1
+###END GENERAL###
+
+###BEGIN BACKEND###
+BACKEND_IMAGENAME=Agit8or/Depl0y-backend
+BACKEND_IMAGEVERSION=latest
+BACKEND_ENABLEAUTOMATICUPDATES=true
+BACKEND_PORT_EXTERNAL=8081
+###END BACKEND###
+
+###BEGIN APPLICATION###
+SECRET_KEY=changeme
+ENCRYPTION_KEY=changeme
+LOG_LEVEL=INFO
+ADMIN_USERNAME=admin
+ADMIN_PASSWORD=admin
+
+# Optional path overrides inside the container
+DATABASE_URL=sqlite:////var/lib/depl0y/db/depl0y.db
+ISO_STORAGE_PATH=/var/lib/depl0y/isos
+UPLOAD_DIR=/var/lib/depl0y
+CLOUDINIT_TEMPLATE_PATH=/var/lib/depl0y/cloud-init
+SSH_KEY_PATH=/var/lib/depl0y/ssh_keys
+LOG_FILE=/var/log/depl0y/app.log
+###END APPLICATION###
+