Added arm64 support for running PatchMon in Docker

Appended with bash for proxmox auto-enrolment
Fixed rootless docker issues for prisma 6.1 requirements

backend/prisma/schema.prisma

@@ -1,6 +1,6 @@
 generator client {
   provider      = "prisma-client-js"
-  binaryTargets = ["native", "linux-musl-openssl-3.0.x"]
+  binaryTargets = ["native", "linux-musl-openssl-3.0.x", "linux-musl-arm64-openssl-3.0.x"]
 }
 
 datasource db {

backend/src/routes/autoEnrollmentRoutes.js

@@ -588,8 +588,11 @@ router.get("/script", async (req, res) => {
 		// Check for --force parameter
 		const force_install = req.query.force === "true" || req.query.force === "1";
 
+		// Use bash for proxmox-lxc, sh for others
+		const shebang = script_type === "proxmox-lxc" ? "#!/bin/bash" : "#!/bin/sh";
+
 		// Inject the token credentials, server URL, curl flags, and force flag into the script
-		const env_vars = `#!/bin/sh
+		const env_vars = `${shebang}
 # PatchMon Auto-Enrollment Configuration (Auto-generated)
 export PATCHMON_URL="${server_url}"
 export AUTO_ENROLLMENT_KEY="${token.token_key}"

docker/backend.Dockerfile

@@ -10,8 +10,6 @@ ENV NODE_ENV=development \
 
 RUN apk add --no-cache openssl tini curl libc6-compat
 
-USER node
-
 WORKDIR /app
 
 COPY --chown=node:node package*.json ./
@@ -20,7 +18,10 @@ COPY --chown=node:node agents ./agents_backup
 COPY --chown=node:node agents ./agents
 COPY --chmod=755 docker/backend.docker-entrypoint.sh ./entrypoint.sh
 
-RUN npm install --workspace=backend --ignore-scripts && cd backend && npx prisma generate
+USER node
+
+RUN npm install --workspace=backend --ignore-scripts && cd backend && npx prisma generate && \
+    chmod -R u+w /app/node_modules/@prisma/engines 2>/dev/null || true
 
 EXPOSE 3001
 
@@ -66,8 +67,6 @@ ENV NODE_ENV=production \
 
 RUN apk add --no-cache openssl tini curl libc6-compat
 
-USER node
-
 WORKDIR /app
 
 COPY --from=builder --chown=node:node /app/backend ./backend
@@ -76,6 +75,14 @@ COPY --chown=node:node agents ./agents_backup
 COPY --chown=node:node agents ./agents
 COPY --chmod=755 docker/backend.docker-entrypoint.sh ./entrypoint.sh
 
+# Ensure Prisma engines directory is writable for rootless Docker (Prisma 6.1.0+ requirement)
+# This must be done as root before switching to node user
+# Order: chown first (sets ownership), then chmod (sets permissions)
+RUN chown -R node:node /app/node_modules/@prisma/engines && \
+    chmod -R u+w /app/node_modules/@prisma/engines
+
+USER node
+
 WORKDIR /app/backend
 
 EXPOSE 3001