Make Dockerfiles architecture neutral

Backend/Dockerfile

@@ -1,5 +1,13 @@
+############################################################
+# IMPORTANT
+#
+# Supported Platforms:
+#   - Intel/AMD 64-bit
+#   - ARM 64-bit
+############################################################
+
 # Docker multi-stage build
-FROM mcr.microsoft.com/dotnet/sdk:8.0.303-jammy-amd64 AS builder
+FROM mcr.microsoft.com/dotnet/sdk:8.0.303-jammy AS builder
 WORKDIR /app
 
 # Copy csproj and restore (fetch dependencies) as distinct layers.
@@ -11,7 +19,7 @@ COPY . ./
 RUN dotnet publish -c Release -o build
 
 # Build runtime image.
-FROM mcr.microsoft.com/dotnet/aspnet:8.0.7-jammy-amd64
+FROM mcr.microsoft.com/dotnet/aspnet:8.0.7-jammy
 
 ENV ASPNETCORE_URLS=http://+:5000
 ENV COMBINE_IS_IN_CONTAINER=1

Dockerfile

@@ -1,3 +1,11 @@
+############################################################
+# IMPORTANT
+#
+# Supported Platforms:
+#   - Intel/AMD 64-bit
+#   - ARM 64-bit
+############################################################
+
 # User guide build environment
 FROM python:3.10.14-slim-bookworm AS user_guide_builder
 

database/Dockerfile

@@ -1,3 +1,10 @@
+############################################################
+# IMPORTANT
+#
+# Supported Platforms:
+#   - Intel/AMD 64-bit
+#   - ARM 64-bit
+############################################################
 FROM mongo:7.0.12-jammy
 
 WORKDIR /

deploy/Dockerfile

@@ -1,12 +1,9 @@
-# Dockerfile to build a Kubernetes Worker container for the Combine.  The
-# image shall contain a collection of scripts to perform the following functions:
-#  - backup The Combine database and backend data files
-#  - restore The Combine database and backend data files from a previous backup
-#  - monitor specified secrets for changes and push the updated secrets to AWS
-#    S3 storage
-#  - check the current TLS secret for updates in AWS S3 storage and update the
-#    secret accordingly.
-# The scripts are written in Python.
+############################################################
+# IMPORTANT
+#
+# Supported Platforms:
+#   - Intel/AMD 64-bit
+############################################################
 
 FROM ubuntu:22.04
 

maintenance/Dockerfile

@@ -8,6 +8,14 @@
 #    secret accordingly.
 # The scripts are written in Python.
 
+############################################################
+# IMPORTANT
+#
+# Supported Platforms:
+#   - Intel/AMD 64-bit
+#   - ARM 64-bit
+############################################################
+
 FROM sillsdev/aws-kubectl:0.3.0
 
 USER root