diff --git a/Dockerfile b/Dockerfile
index 011eb034..833fb0a7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -49,6 +49,8 @@ RUN ["mkdir", "/sql"]
 RUN ["dotnet", "tool", "install", "--global", "dotnet-ef"]
 RUN ["dotnet", "ef", "migrations", "bundle", "-r", "linux-x64", "--configuration", "Release", "-p", "TramsDataApi", "--context", "TramsDataApi.DatabaseModels.LegacyTramsDbContext", "--no-build", "-o", "/sql/migratelegacydb"]
 RUN ["dotnet", "ef", "migrations", "bundle", "-r", "linux-x64", "--configuration", "Release", "-p", "TramsDataApi", "--context", "TramsDataApi.DatabaseModels.TramsDbContext", "--no-build", "-o", "/sql/migratedb"]
+COPY ./script/init-docker-entrypoint.sh /sql/entrypoint.sh
+RUN ["chmod", "+x", "/sql/entrypoint.sh"]
 
 # ==============================================
 # Entity Framework: Migration Runner
diff --git a/script/init-docker-entrypoint.sh b/script/init-docker-entrypoint.sh
new file mode 100644
index 00000000..efc5b0c9
--- /dev/null
+++ b/script/init-docker-entrypoint.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# exit on failures
+set -e
+set -o pipefail
+
+while getopts "c" opt; do
+  case $opt in
+    c)
+      CONNECTION_STRING=$opt
+      ;;
+    *)
+      usage
+      ;;
+  esac
+done
+
+/sql/migratedb -v --connection "$CONNECTION_STRING"
+/sql/migratelegacydb -v --connection "$CONNECTION_STRING"