Try to speed up drone deployment

.drone.yml

@@ -3,15 +3,15 @@ kind: pipeline
 type: docker
 name: default
 steps:
-- name: prereq
+  - name: fetch ip
     image: cburki/mosquitto-clients
     commands:
       - mosquitto_sub -h mqtt.ctdo.de -t "homie/$hostname/\$localip" -C 1 | tr -d '\n' >lastknownip
     environment:
       hostname:
         from_secret: hostname
-- name: build
-  image: python:3.10
+  - name: configure
+    image: alpine
     commands:
       - sed -i "s/WIFISSID/$IOTSSID/" data/homie/config.json
       - sed -i "s/WIFIPASS/$iotpwd/" data/homie/config.json
@@ -19,13 +19,6 @@ steps:
       - sed -i "s/HOSTNAME/$hostname/g" data/homie/config.json
       - lastknownip=$(cat lastknownip)
       - sed -i "s/HOSTNAME/$lastknownip/g" platformio.ini
-    - cat data/homie/config.json
-    - cat platformio.ini
-    - pip install -U platformio
-    # Build image
-    - platformio run --environment d1_mini
-    # Build file system image
-    - platformio run --target buildfs --environment d1_mini
     environment:
       hostname:
         from_secret: hostname
@@ -33,16 +26,24 @@ steps:
         from_secret: iotssid
       iotpwd:
         from_secret: iotpwd
-- name: upload
-  image: python:3.10
+  - name: build
+    image: suculent/platformio-docker-build
     commands:
+      # - pip install -U platformio
+      # Build image
+      - platformio run --environment d1_mini
+      # Build file system image
+      - platformio run --target buildfs --environment d1_mini
+  - name: upload
+    image: curlimages/curl
+    commands:
+      - lastknownip=$(cat lastknownip)
       # Upload image with espota-gateway
       - |
-      curl -k --request POST --url "https://espota.ctdo.de/" --header "Content-Type: multipart/form-data" --form ip="$lastknownip" --form firmware=@.pio/build/d1_mini/firmware.bin -N
+        curl --insecure --fail-with-body --request POST --url "https://espota.ctdo.de/" --header "Content-Type: multipart/form-data" --form ip="$lastknownip" --form firmware=@.pio/build/d1_mini/firmware.bin -N
       # TODO: Upload file system image with espota-gateway, if the device is available again (or leave it to espota-gateway to retry often enough)
       - |
-      curl -k --request POST --url "https://espota.ctdo.de/" --header "Content-Type: multipart/form-data" --form ip="$lastknownip" --form spiffs=@.pio/build/d1_mini/spiffs.bin -N
-
+        curl --insecure --fail-with-body --request POST --url "https://espota.ctdo.de/" --header "Content-Type: multipart/form-data" --form ip="$lastknownip" --form spiffs=@.pio/build/d1_mini/spiffs.bin -N
 
 ### matrix-builds? -  for multiple volumeknobs?
 ### https://0-8-0.docs.drone.io/matrix-builds/