diff --git a/.gitignore b/.gitignore
index e7c242b..11a8757 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,3 +36,4 @@ DB/pg_data
 .vscode
 
 node_modules
+atlas.hcl
diff --git a/DB/initdb/01_create_tables.sql b/DB/initdb/01_schema.sql
similarity index 77%
rename from DB/initdb/01_create_tables.sql
rename to DB/initdb/01_schema.sql
index 0c90c86..c987aef 100644
--- a/DB/initdb/01_create_tables.sql
+++ b/DB/initdb/01_schema.sql
@@ -98,16 +98,3 @@ CREATE TABLE "s_abwesenheit_typen" (
 -- Adds crypto extension
 
 CREATE EXTENSION IF NOT EXISTS pgcrypto;
-
--- ----------------------------
--- Insert example data
--- ----------------------------
-
-INSERT INTO "s_personal_daten" ("personal_nummer", "aktiv_beschaeftigt", "vorname", "nachname", "geburtsdatum", "plz", "adresse", "geschlecht", "card_uid", "hauptbeschaeftigungs_ort", "arbeitszeit_per_tag", "arbeitszeit_min_start", "arbeitszeit_max_ende", "vorgesetzter_pers_nr") VALUES
-(123,	't',	'Max',	'Mustermann',	'2003-02-01',	'08963',	'Altenburger Str. 44A',	1,	'acde-edca',	1,	7.5,	'07:00:00',	'20:00:00',	0);
-
-INSERT INTO "user_password" ("personal_nummer", "pass_hash") VALUES
-(123, crypt('max_pass', gen_salt('bf')));
-
-INSERT INTO "s_anwesenheit_typen" ("anwesenheit_id", "anwesenheit_name") VALUES (1, 'Büro');
-INSERT INTO "s_abwesenheit_typen" ("abwesenheit_id", "abwesenheit_name") VALUES (1, 'Urlaub'), (2, 'Krank'), (3, 'Kurzarbeit');
diff --git a/DB/initdb/03_sample_data.sql b/DB/initdb/03_sample_data.sql
new file mode 100644
index 0000000..6d84496
--- /dev/null
+++ b/DB/initdb/03_sample_data.sql
@@ -0,0 +1,8 @@
+INSERT INTO "s_personal_daten" ("personal_nummer", "aktiv_beschaeftigt", "vorname", "nachname", "geburtsdatum", "plz", "adresse", "geschlecht", "card_uid", "hauptbeschaeftigungs_ort", "arbeitszeit_per_tag", "arbeitszeit_min_start", "arbeitszeit_max_ende", "vorgesetzter_pers_nr") VALUES
+(123,	't',	'Max',	'Mustermann',	'2003-02-01',	'08963',	'Altenburger Str. 44A',	1,	'acde-edca',	1,	7.5,	'07:00:00',	'20:00:00',	0);
+
+INSERT INTO "user_password" ("personal_nummer", "pass_hash") VALUES
+(123, crypt('max_pass', gen_salt('bf')));
+
+INSERT INTO "s_anwesenheit_typen" ("anwesenheit_id", "anwesenheit_name") VALUES (1, 'Büro');
+INSERT INTO "s_abwesenheit_typen" ("abwesenheit_id", "abwesenheit_name") VALUES (1, 'Urlaub'), (2, 'Krank'), (3, 'Kurzarbeit');
diff --git a/Docker/.env.example b/Docker/.env.example
index 8eea0f3..256e380 100644
--- a/Docker/.env.example
+++ b/Docker/.env.example
@@ -1,7 +1,7 @@
 POSTGRES_USER=root
 POSTGRES_PASSWORD=very_secure
-POSTGRES_API_USER=api_nuter
-POSTGRES_API_PASSWORD=password
+POSTGRES_API_USER=api_nutzer
+POSTGRES_API_PASS=password
 POSTGRES_PATH=../DB
 POSTGRES_DB=arbeitszeitmessung
 EXPOSED_PORT=8000
diff --git a/atlas.hcl b/example.atlas.hcl
similarity index 61%
rename from atlas.hcl
rename to example.atlas.hcl
index ebc39a6..7e69ee9 100644
--- a/atlas.hcl
+++ b/example.atlas.hcl
@@ -1,10 +1,10 @@
 # The "dev" environment represents our local testings.
 env "local" {
-  url = "postgres://root:very_secure@:5432/arbeitszeitmessung?search_path=public&sslmode=disable"
+  url = "postgres://user:password@:5432/database?search_path=public&sslmode=disable"
   migration {
     dir = "file://migrations"
     format = golang-migrate
   }
     dev = "docker://postgres/16/dev?search_path=public"
-    src = "file://schema.sql"
+    src = "file://DB/initdb/01_schema.sql"
 }
diff --git a/migrations/20250802065143_initial.down.sql b/migrations/20250802065143_initial.down.sql
new file mode 100644
index 0000000..1f8630e
--- /dev/null
+++ b/migrations/20250802065143_initial.down.sql
@@ -0,0 +1,16 @@
+-- reverse: create "wochen_report" table
+DROP TABLE "wochen_report";
+-- reverse: create "user_password" table
+DROP TABLE "user_password";
+-- reverse: set comment to column: "geschlecht" on table: "personal_daten"
+COMMENT ON COLUMN "personal_daten"."geschlecht" IS NULL;
+-- reverse: create "personal_daten" table
+DROP TABLE "personal_daten";
+-- reverse: set comment to column: "geraet_id" on table: "anwesenheit"
+COMMENT ON COLUMN "anwesenheit"."geraet_id" IS NULL;
+-- reverse: set comment to column: "check_in_out" on table: "anwesenheit"
+COMMENT ON COLUMN "anwesenheit"."check_in_out" IS NULL;
+-- reverse: create "anwesenheit" table
+DROP TABLE "anwesenheit";
+-- reverse: create "abwesenheit" table
+DROP TABLE "abwesenheit";
diff --git a/schema.sql b/migrations/20250802065143_initial.up.sql
similarity index 82%
rename from schema.sql
rename to migrations/20250802065143_initial.up.sql
index 55dcecd..5144756 100644
--- a/schema.sql
+++ b/migrations/20250802065143_initial.up.sql
@@ -1,4 +1,4 @@
--- Create "abwesenheit" table
+-- create "abwesenheit" table
 CREATE TABLE "abwesenheit" (
   "counter_id" bigserial NOT NULL,
   "card_uid" character varying(255) NULL,
@@ -6,21 +6,20 @@ CREATE TABLE "abwesenheit" (
   "datum" timestamptz NULL DEFAULT (now())::date,
   PRIMARY KEY ("counter_id")
 );
--- Create "anwesenheit" table
+-- create "anwesenheit" table
 CREATE TABLE "anwesenheit" (
   "counter_id" bigserial NOT NULL,
   "timestamp" timestamptz NULL DEFAULT CURRENT_TIMESTAMP,
   "card_uid" character varying(255) NULL,
   "check_in_out" smallint NULL,
-  "anwesenheit_type" smallint NULL,
   "geraet_id" smallint NULL,
   PRIMARY KEY ("counter_id")
 );
--- Set comment to column: "check_in_out" on table: "anwesenheit"
+-- set comment to column: "check_in_out" on table: "anwesenheit"
 COMMENT ON COLUMN "anwesenheit"."check_in_out" IS '1=Check In 2=Check Out , 3=Check in Manuell, 4=Check out manuell255=Automatic Check Out';
--- Set comment to column: "geraet_id" on table: "anwesenheit"
+-- set comment to column: "geraet_id" on table: "anwesenheit"
 COMMENT ON COLUMN "anwesenheit"."geraet_id" IS 'ID des Lesegerätes';
--- Create "personal_daten" table
+-- create "personal_daten" table
 CREATE TABLE "personal_daten" (
   "personal_nummer" integer NOT NULL,
   "aktiv_beschaeftigt" boolean NULL,
@@ -38,16 +37,16 @@ CREATE TABLE "personal_daten" (
   "vorgesetzter_pers_nr" integer NULL,
   PRIMARY KEY ("personal_nummer")
 );
--- Set comment to column: "geschlecht" on table: "personal_daten"
+-- set comment to column: "geschlecht" on table: "personal_daten"
 COMMENT ON COLUMN "personal_daten"."geschlecht" IS '1==weiblich, 2==maennlich, 3==divers';
--- Create "user_password" table
+-- create "user_password" table
 CREATE TABLE "user_password" (
   "personal_nummer" integer NOT NULL,
   "pass_hash" text NULL,
   "zuletzt_geandert" timestamp NULL DEFAULT CURRENT_TIMESTAMP,
   PRIMARY KEY ("personal_nummer")
 );
--- Create "wochen_report" table
+-- create "wochen_report" table
 CREATE TABLE "wochen_report" (
   "id" serial NOT NULL,
   "personal_nummer" integer NULL,
diff --git a/migrations/20250802075213_control_tables.down.sql b/migrations/20250802075213_control_tables.down.sql
new file mode 100644
index 0000000..f8eef8a
--- /dev/null
+++ b/migrations/20250802075213_control_tables.down.sql
@@ -0,0 +1,10 @@
+-- reverse rename "s_personal_daten" table
+ALTER TABLE "s_personal_daten" RENAME TO "personal_daten";
+
+DROP TABLE "s_personal_daten";
+-- reverse: create "s_anwesenheit_typen" table
+DROP TABLE "s_anwesenheit_typen";
+-- reverse: create "s_abwesenheit_typen" table
+DROP TABLE "s_abwesenheit_typen";
+-- reverse: modify "anwesenheit" table
+ALTER TABLE "anwesenheit" DROP COLUMN "manuelle_buchung";
diff --git a/migrations/20250802075213_control_tables.up.sql b/migrations/20250802075213_control_tables.up.sql
new file mode 100644
index 0000000..d372a37
--- /dev/null
+++ b/migrations/20250802075213_control_tables.up.sql
@@ -0,0 +1,16 @@
+-- modify "anwesenheit" table
+ALTER TABLE "anwesenheit" ADD COLUMN "manuelle_buchung" boolean NULL;
+-- create "s_abwesenheit_typen" table
+CREATE TABLE "s_abwesenheit_typen" (
+  "abwesenheit_id" smallint NOT NULL,
+  "abwesenheit_name" character varying(255) NULL,
+  PRIMARY KEY ("abwesenheit_id")
+);
+-- create "s_anwesenheit_typen" table
+CREATE TABLE "s_anwesenheit_typen" (
+  "anwesenheit_id" smallint NOT NULL,
+  "anwesenheit_name" character varying(255) NULL,
+  PRIMARY KEY ("anwesenheit_id")
+);
+-- create "s_personal_daten" table
+ALTER TABLE "personal_daten" RENAME TO "s_personal_daten";
diff --git a/migrations/atlas.sum b/migrations/atlas.sum
new file mode 100644
index 0000000..58b1ee2
--- /dev/null
+++ b/migrations/atlas.sum
@@ -0,0 +1,3 @@
+h1:5gPDmrcQS12KjKLuwN1ycTBHtbHbkzd7rUIj01uJrhA=
+20250802065143_initial.up.sql h1:9cUWduWgONRfI5LV+b3nFvei6DKDqPxcNryKVg1xo80=
+20250802075213_control_tables.up.sql h1:5vQLBHMM2Sa1FErP5gQUUHAoSiV2RQ0cOlMEEDFcoKA=