diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..e62b828
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,6 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..22fcc2c
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,21 @@
+# Normalize line endings to LF for everything Git considers text, so a file's on-disk bytes
+# never depend on the OS or editor that last touched it. This matters most for Flyway migrations
+# under src/main/resources/db/migration: Flyway checksums the file content it applies, and a
+# CRLF/LF flip after a migration has already run invalidates that checksum on every other clone.
+* text=auto eol=lf
+
+*.sql text eol=lf
+*.java text eol=lf
+*.yaml text eol=lf
+*.yml text eol=lf
+*.properties text eol=lf
+*.css text eol=lf
+*.md text eol=lf
+*.xml text eol=lf
+
+*.jar binary
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.ico binary
+*.icns binary