updated Dockerfile

updated .drone.yml

.drone.yml

@@ -16,6 +16,8 @@ steps:
       auto_tag_suffix: linux-amd64
       repo: spcodes/searx
       dockerfile: searx/Dockerfile
+      build_args:
+        - ARCH=amd64
       username:
         from_secret: USERNAME
       password:
@@ -46,6 +48,8 @@ steps:
       auto_tag_suffix: linux-arm
       repo: spcodes/searx
       dockerfile: searx/Dockerfile
+      build_args:
+        - ARCH=arm
       username:
         from_secret: USERNAME
       password:
@@ -76,6 +80,8 @@ steps:
       auto_tag_suffix: linux-arm64
       repo: spcodes/searx
       dockerfile: searx/Dockerfile
+      build_args:
+        - ARCH=arm64
       username:
         from_secret: USERNAME
       password:

searx/Dockerfile

@@ -1,6 +1,8 @@
-FROM --platform=linux/amd64 alpine:3.12.3@sha256:074d3636ebda6dd446d0d00304c4454f468237fdacf08fb0eeac90bdbfa1bac7
-FROM --platform=linux/arm alpine:3.13.0@sha256:0a03d8bed32e780dc43c688eb1d184fc21dbc9ec9acbd66a2b5db6544c04825f
-FROM --platform=linux/arm64 alpine:3.13.0@sha256:b20140108af597a58a06ed5578f2a5737b8ad9964a206b5627d2cda906613665
+ARG ARCH
+FROM amd64/alpine:3.13.0@sha256:d0710affa17fad5f466a70159cc458227bd25d4afb39514ef662ead3e6c99515 AS base-amd64
+FROM arm32v7/alpine:3.13.0@sha256:0a03d8bed32e780dc43c688eb1d184fc21dbc9ec9acbd66a2b5db6544c04825f AS base-arm
+FROM arm64v8/alpine:3.13.0@sha256:b20140108af597a58a06ed5578f2a5737b8ad9964a206b5627d2cda906613665 AS base-arm64
+FROM base-${ARCH}
 
 # github: searx/searx
 ENV SEARX="v0.17.0"