update Dockerfile for multi-platform support and increment version to 20

charts/openclaw/2026.02.1/image/Dockerfile

@@ -1,12 +1,14 @@
-FROM ghcr.io/openclaw/openclaw:latest
+# syntax=docker/dockerfile:1.4
+FROM --platform=linux/amd64 ghcr.io/openclaw/openclaw:latest
 USER root
+
+# Install everything in a single layer to reduce layer count
 RUN apt-get update && apt-get install -y --no-install-recommends \
     python3-pip \
     jq \
     gh \
-    && rm -rf /var/lib/apt/lists/*
-
-RUN pip install --no-cache-dir --break-system-packages \
+    && rm -rf /var/lib/apt/lists/* \
+    && pip install --no-cache-dir --break-system-packages \
     google-auth \
     google-auth-oauthlib \
     google-api-python-client \

charts/openclaw/2026.02.1/image/VERSION

@@ -1 +1 @@
-3
+20

charts/openclaw/2026.02.1/image/build.sh

@@ -1,8 +1,23 @@
-#!/usr/bin/env bash -e
+#!bash -e
 
 VERSION_FILE=VERSION
 current=$(cat $VERSION_FILE)
 tag=$((current + 1))
-docker buildx build --platform linux/amd64,linux/arm64 -t docker.bassengvegen.com/openclaw:${tag} .
-docker push docker.bassengvegen.com/openclaw:${tag}
+
+# Ensure buildx is set up properly for cross-platform builds
+docker buildx create --use --name multiplatform || docker buildx use multiplatform
+
+# Build and push with proper multi-platform support
+DOCKER_BUILDKIT=1 docker buildx build \
+    --platform linux/amd64 \
+    --push \
+    --progress=plain \
+    --provenance=false \
+    --sbom=false \
+    --output type=registry,oci-mediatypes=false,compression=gzip,compression-level=9,force-compression=true \
+    -t docker.bassengvegen.com/openclaw:${tag} \
+    --no-cache \
+    .
+
 echo $tag > $VERSION_FILE
+echo "Successfully built and pushed openclaw:${tag}"