Standardize Alpine base image format and version across all Dockerfiles

- Update all Dockerfiles to use `alpine:3.21.0` with SHA256 checksum - Ensure consistent image versioning, enhanced security, and reproducibility by explicitly specifying the digest. cc Stirling-Tools#2436 Stirling-Tools#2516
PeterDaveHelloKitchen · Dec 22, 2024 · b0881cd · b0881cd
1 parent 988a877
commit b0881cd
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diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,5 @@
 # Main stage
-FROM alpine:3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a
+FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 
 # Copy necessary files
 COPY scripts /scripts

diff --git a/Dockerfile-fat b/Dockerfile-fat
@@ -12,7 +12,7 @@ RUN DOCKER_ENABLE_SECURITY=true \
 ./gradlew clean build
 
 # Main stage
-FROM alpine:3.20.3
+FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 
 # Copy necessary files
 COPY scripts /scripts

diff --git a/Dockerfile-ultra-lite b/Dockerfile-ultra-lite
@@ -1,5 +1,5 @@
 # use alpine
-FROM alpine:3.21.0
+FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 
 ARG VERSION_TAG