diff --git a/Dockerfile b/Dockerfile
index 3f295ed1..0c0d4f77 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,45 +1,46 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0-bookworm-slim AS build
-WORKDIR /build
-
-ENV DEBIAN_FRONTEND=noninteractive
+# Set the major version of dotnet
+ARG DOTNET_VERSION=8.0
 
+# Build the app using the dotnet SDK
+FROM "mcr.microsoft.com/dotnet/sdk:${DOTNET_VERSION}-azurelinux3.0" AS build
+WORKDIR /build
 ARG CI
 ENV CI=${CI}
 
 COPY . .
+COPY ./script/web-docker-entrypoint.sh /app/docker-entrypoint.sh
 
-RUN mkdir -p /app/SQL
-RUN touch /app/SQL/DbMigrationScriptLegacy.sql
-RUN touch /app/SQL/DbMigrationScript.sql
-
+# Mount GitHub Token as a Docker secret so that NuGet Feed can be accessed
 RUN --mount=type=secret,id=github_token dotnet nuget add source --username USERNAME --password $(cat /run/secrets/github_token) --store-password-in-clear-text --name github "https://nuget.pkg.github.com/DFE-Digital/index.json"
-RUN dotnet restore TramsDataApi.sln
-RUN dotnet new tool-manifest
-RUN dotnet tool install dotnet-ef --version 8.0.8
-ENV PATH="$PATH:/root/.dotnet/tools"
-
-RUN dotnet ef migrations script --output /app/SQL/DbMigrationScriptLegacy.sql --project TramsDataApi --context TramsDataApi.DatabaseModels.LegacyTramsDbContext --idempotent -v
-RUN dotnet ef migrations script --output /app/SQL/DbMigrationScript.sql --project TramsDataApi --context TramsDataApi.DatabaseModels.TramsDbContext --idempotent --no-build -v
 
-# this build has no effect on ef migrations because it is a "Release" configuration
-RUN dotnet build -c Release TramsDataApi.sln --no-restore -p:CI=${CI}
-RUN dotnet publish TramsDataApi -c Release -o /app --no-restore
-
-ARG ASPNET_IMAGE_TAG
-FROM mcr.microsoft.com/dotnet/aspnet:8.0-bookworm-slim AS final
-
-RUN apt-get update
-RUN apt-get install unixodbc curl gnupg -y
-RUN curl -fsSL https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor -o /usr/share/keyrings/microsoft-prod.gpg
-RUN curl https://packages.microsoft.com/config/debian/12/prod.list | tee /etc/apt/sources.list.d/msprod.list
-RUN apt-get update
-RUN ACCEPT_EULA=Y apt-get install msodbcsql18 mssql-tools18 -y
+RUN ["touch", "/app/SQL/DbMigrationScriptOutput.txt"]
+RUN ["touch", "/app/SQL/DbMigrationScriptOutputLegacy.txt"]
+
+# Restore, build and publish the dotnet solution
+RUN ["dotnet", "restore", "TramsDataApi.sln"]
+RUN dotnet build TramsDataApi.sln --no-restore -c Release -p CI=${CI}
+RUN ["dotnet", "publish", "TramsDataApi", "--no-build", "-o", "/app"]
+
+RUN ["dotnet", "new", "tool-manifest"]
+RUN ["dotnet", "tool", "install", "dotnet-ef", "--version", "8.0.11"]
+RUN ["mkdir", "-p", "/app/SQL"]
+RUN ["dotnet", "ef", "migrations", "script", "--output", "/app/SQL/DbMigrationScriptLegacy.sql", "--project", "TramsDataApi", "--context", "TramsDataApi.DatabaseModels.LegacyTramsDbContext", "--idempotent", "--no-build"]
+RUN ["dotnet", "ef", "migrations", "script", "--output", "/app/SQL/DbMigrationScript.sql", "--project", "TramsDataApi", "--context", "TramsDataApi.DatabaseModels.TramsDbContext", "--idempotent", "--no-build"]
+
+# Install SQL tools to allow migrations to be run
+FROM "mcr.microsoft.com/dotnet/aspnet:${DOTNET_VERSION}-azurelinux3.0" AS base
+RUN curl "https://packages.microsoft.com/config/rhel/9/prod.repo" | tee /etc/yum.repos.d/mssql-release.repo
+ENV ACCEPT_EULA=Y
+RUN ["tdnf", "update"]
+RUN ["tdnf", "install", "-y", "mssql-tools18"]
+RUN ["tdnf", "clean", "all"]
+
+# Build a runtime environment
+FROM base AS final
+WORKDIR /app
+LABEL org.opencontainers.image.source="https://github.com/DFE-Digital/academies-api"
 
 COPY --from=build /app /app
+RUN ["chmod", "+x", "./docker-entrypoint.sh"]
 
-WORKDIR /app
-COPY ./script/web-docker-entrypoint.sh ./docker-entrypoint.sh
-RUN chmod +x ./docker-entrypoint.sh
-
-ENV ASPNETCORE_HTTP_PORTS 80
-EXPOSE 80/tcp
+USER $APP_UID
diff --git a/Dockerfile.PersonsApi b/Dockerfile.PersonsApi
index 751f94b8..fc38a88d 100644
--- a/Dockerfile.PersonsApi
+++ b/Dockerfile.PersonsApi
@@ -1,36 +1,28 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0-bookworm-slim AS build
-WORKDIR /build
-
-ENV DEBIAN_FRONTEND=noninteractive
+# Set the major version of dotnet
+ARG DOTNET_VERSION=8.0
 
+# Build the app using the dotnet SDK
+FROM "mcr.microsoft.com/dotnet/sdk:${DOTNET_VERSION}-azurelinux3.0" AS build
+WORKDIR /build
 ARG CI
 ENV CI=${CI}
 
 COPY . .
+COPY ./script/personsapi.docker-entrypoint.sh /app/docker-entrypoint.sh
 
 RUN --mount=type=secret,id=github_token dotnet nuget add source --username USERNAME --password $(cat /run/secrets/github_token) --store-password-in-clear-text --name github "https://nuget.pkg.github.com/DFE-Digital/index.json"
-RUN dotnet build -c Release PersonsApi -p:CI=${CI}
-RUN dotnet publish PersonsApi -c Release -o /app --no-restore
-
-RUN dotnet new tool-manifest
-RUN dotnet tool install dotnet-ef --version 8.0.8
-ENV PATH="$PATH:/root/.dotnet/tools"
 
-ARG ASPNET_IMAGE_TAG
-FROM mcr.microsoft.com/dotnet/aspnet:8.0-bookworm-slim AS final
+# Restore, build and publish the dotnet solution
+RUN ["dotnet", "restore", "PersonsApi"]
+RUN dotnet build PersonsApi --no-restore -c Release -p CI=${CI}
+RUN ["dotnet", "publish", "PersonsApi", "--no-build", "-o", "/app"]
 
-RUN apt-get update
-RUN apt-get install unixodbc curl gnupg -y
-RUN curl -fsSL https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor -o /usr/share/keyrings/microsoft-prod.gpg
-RUN curl https://packages.microsoft.com/config/debian/12/prod.list | tee /etc/apt/sources.list.d/msprod.list
-RUN apt-get update
-RUN ACCEPT_EULA=Y apt-get install msodbcsql18 mssql-tools18 -y
+# Build a runtime environment
+FROM "mcr.microsoft.com/dotnet/aspnet:${DOTNET_VERSION}-azurelinux3.0" AS final
+WORKDIR /app
+LABEL org.opencontainers.image.source="https://github.com/DFE-Digital/academies-api"
 
 COPY --from=build /app /app
+RUN ["chmod", "+x", "./docker-entrypoint.sh"]
 
-WORKDIR /app
-COPY ./script/personsapi.docker-entrypoint.sh ./docker-entrypoint.sh
-RUN chmod +x ./docker-entrypoint.sh
-
-ENV ASPNETCORE_HTTP_PORTS 80
-EXPOSE 80/tcp
+USER $APP_UID