Move all NoVNC instances to alpine image

i3/docker-compose.yaml

@@ -0,0 +1,32 @@
+services:
+  i3:
+    image: myvnc/arch/i3
+    container_name: i3
+    restart: unless-stopped
+    # build: .
+    # shm_size: 2gb
+    # security_opt:
+    #   - seccomp:unconfined
+    environment:
+      MYVNC_VNCPASS: ${MYVNC_I3_VNCPASS}
+    networks:
+      - i3
+  i3-novnc:
+    image: myvnc/alpine/base
+    container_name: i3-novnc
+    restart: unless-stopped
+    ports:
+      - ${MYVNC_I3_PORT}:6900
+    environment:
+      MYVNC_CUSTOM_TITLE: ${MYVNC_I3_CUSTOM_TITLE}
+      MYVNC_PROXYPATH: ${MYVNC_I3_PROXYPATH}
+      MYVNC_VNCSHARING: ${MYVNC_I3_VNCSHARING}
+
+      MYVNC_VNCLISTEN_HOST: i3
+      MYVNC_VNCLISTEN_PORT: 5900
+    networks:
+      - i3
+
+networks:
+  i3:
+    external: false