Use a volume for /root and tmpfs for /tun and /tmp

Dockerfile

@@ -24,6 +24,9 @@ RUN npm run webpack
 RUN PATH=$(pwd)/node_modules/.bin/:$PATH electron-builder --dir --config.asar=false --config.npmRebuild=false --config.nodeGypRebuild=false
 
 FROM alexisresinio/aarch64-debian-bejs:latest
+# Etcher configuration
+COPY etcher-pro-config.json /usr/src/app/
+
 COPY --from=builder /usr/src/app/dist/linux-arm64-unpacked/resources/app /usr/src/app
 COPY --from=builder /usr/src/app/node_modules/electron/ /usr/src/app/node_modules/electron
 WORKDIR /usr/src/app/node_modules/.bin
@@ -38,5 +41,4 @@ RUN mkdir /tmp/media
 ENV BALENA_ELECTRONJS_MOUNTS_ROOT=/tmp/media
 ENV BALENA_ELECTRONJS_CONSTRAINT_PATH=/tmp/media
 
-# Etcher configuration
+CMD cp -n /usr/src/app/etcher-pro-config.json /root/.config/balena-etcher/config.json && xinit
-COPY etcher-pro-config.json /root/.config/balena-etcher/config.json

docker-compose.yml

@@ -1,19 +1,25 @@
 version: '2'
 volumes:
-    data:
+    influxdb:
+    grafana:
+    etcher_pki:
+    etcher_cache:
+    etcher_bash_history:
+    etcher_config_electron:
+    etcher_config_balena_etcher:
 services:
   influxdb:
     restart: always
     build: ./etcher-pro-monitoring/influxdb
     network_mode: host
     volumes:
-      - 'data:/data'
+      - 'influxdb:/data'
   grafana:
     restart: always
     build: ./etcher-pro-monitoring/grafana
     network_mode: host
     volumes:
-      - 'data:/data'
+      - 'grafana:/data'
     environment:
         - 'GF_SERVER_HTTP_PORT=80'
         - 'GF_PATHS_PROVISIONING=/usr/src/app/provisioning'
@@ -38,3 +44,12 @@ services:
     network_mode: host
     labels:
       io.balena.features.dbus: 1
+    volumes:
+      - 'etcher_pki:/root/.pki'
+      - 'etcher_cache:/root/.cache'
+      - 'etcher_bash_history:/root/.bash_history'
+      - 'etcher_config_electron:/root/.config/Electron'
+      - 'etcher_config_balena_etcher:/root/.config/balena-etcher'
+    tmpfs:
+      - /run
+      - /tmp