fixed premission problem after making migrations executed by go

Backend/database.go

@@ -5,7 +5,11 @@ import (
 	"arbeitszeitmessung/models"
 	"database/sql"
 	"fmt"
+	"log/slog"
 
+	"github.com/golang-migrate/migrate/v4"
+	_ "github.com/golang-migrate/migrate/v4/database/postgres"
+	_ "github.com/golang-migrate/migrate/v4/source/file"
 	_ "github.com/lib/pq"
 )
 
@@ -19,3 +23,29 @@ func OpenDatabase() (models.IDatabase, error) {
 	connStr := fmt.Sprintf("postgres://%s:%s@%s:5432/%s?sslmode=disable&TimeZone=%s", dbUser, dbPassword, dbHost, dbName, dbTz)
 	return sql.Open("postgres", connStr)
 }
+
+func Migrate() error {
+	dbHost := helper.GetEnv("POSTGRES_HOST", "localhost")
+	dbName := helper.GetEnv("POSTGRES_DB", "arbeitszeitmessung")
+	// dbUser := helper.GetEnv("POSTGRES_USER", "api_nutzer")
+	dbPassword := helper.GetEnv("POSTGRES_PASSWORD", "password")
+	dbTz := helper.GetEnv("TZ", "Europe/Berlin")
+
+	migrations := helper.GetEnv("MIGRATIONS_DIR", "../migrations")
+
+	connStr := fmt.Sprintf("postgres://%s:%s@%s:5432/%s?sslmode=disable&TimeZone=%s", "migrate", dbPassword, dbHost, dbName, dbTz)
+	m, err := migrate.New(fmt.Sprintf("file://%s", migrations), connStr)
+	if err != nil {
+		return err
+	}
+
+	slog.Info("Connected to database. Running migrations now.")
+
+	// Migrate all the way up ...
+	if err := m.Up(); err != nil && err != migrate.ErrNoChange {
+		return err
+	}
+
+	slog.Info("Finished migrations starting webserver.")
+	return nil
+}

Backend/main.go

@@ -44,6 +44,13 @@ func main() {
 	models.DB, err = OpenDatabase()
 	if err != nil {
 		slog.Error("Error while opening the database", "Error", err)
+		return
+	}
+
+	err = Migrate()
+	if err != nil {
+		slog.Error("Failed to migrate the database to newest version", "Error", err)
+		return
 	}
 
 	fs := http.FileServer(http.Dir("./static"))

DB/initdb/01_create_user.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+set -e  # Exit on error
+
+echo "Creating PostgreSQL user and setting permissions... $POSTGRES_USER for API user $POSTGRES_API_USER"
+
+
+
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+    CREATE ROLE migrate LOGIN ENCRYPTED PASSWORD '$POSTGRES_PASSWORD';
+    GRANT USAGE, CREATE ON SCHEMA public TO migrate;
+EOSQL
+
+# psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+
+#     GRANT SELECT, INSERT, UPDATE ON anwesenheit, abwesenheit, user_password, wochen_report, s_feiertage TO $POSTGRES_API_USER;
+#     GRANT DELETE ON abwesenheit TO $POSTGRES_API_USER;
+#     GRANT SELECT ON s_personal_daten, s_abwesenheit_typen, s_anwesenheit_typen, s_feiertage TO $POSTGRES_API_USER;
+#     GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO $POSTGRES_API_USER;
+# EOSQL
+
+echo "User creation and permissions setup complete!"
+
+
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+
+-- privilege roles
+DO \$\$
+BEGIN
+    IF NOT EXISTS (SELECT FROM pg_roles WHERE rolname = 'app_base') THEN
+        CREATE ROLE app_base NOLOGIN;
+    END IF;
+END
+\$\$;
+
+-- dynamic login role
+DO \$\$
+BEGIN
+    IF NOT EXISTS (SELECT FROM pg_roles WHERE rolname = '$POSTGRES_API_USER') THEN
+        CREATE ROLE $POSTGRES_API_USER
+            LOGIN
+            ENCRYPTED PASSWORD '$POSTGRES_API_PASS';
+    END IF;
+END
+\$\$;
+
+-- grant base privileges
+GRANT app_base TO $POSTGRES_API_USER;
+GRANT CONNECT ON DATABASE $POSTGRES_DB TO $POSTGRES_API_USER;
+GRANT USAGE ON SCHEMA public TO $POSTGRES_API_USER;
+
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+
+EOSQL
+
+# psql -v ON_ERROR_STOP=1 --username root --dbname arbeitszeitmessung

DB/initdb/02_sample_data.sql

@@ -1,8 +0,0 @@
-INSERT INTO "s_personal_daten" ("personal_nummer", "aktiv_beschaeftigt", "vorname", "nachname", "geburtsdatum", "plz", "adresse", "geschlecht", "card_uid", "hauptbeschaeftigungs_ort", "arbeitszeit_per_tag", "arbeitszeit_per_woche", "arbeitszeit_min_start", "arbeitszeit_max_ende", "vorgesetzter_pers_nr") VALUES
-(123,	't',	'Kim',	'Mustermensch',	'2003-02-01',	'08963',	'Altenburger Str. 44A',	1,	'aaaa-aaaa',	1,	8, 40,	'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", "arbeitszeit_equivalent") VALUES (1, 'Urlaub', 100), (2, 'Krank', 100), (3, 'Kurzarbeit', -1), (4, 'Urlaub untertags', 50);

DB/initdb/03_create_user.sh

@@ -1,21 +0,0 @@
-#!/bin/bash
-set -e  # Exit on error
-
-echo "Creating PostgreSQL user and setting permissions... $POSTGRES_USER for API user $POSTGRES_API_USER"
-
-psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-    CREATE USER $POSTGRES_API_USER WITH ENCRYPTED PASSWORD '$POSTGRES_API_PASS';
-EOSQL
-
-psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-    GRANT CONNECT ON DATABASE $POSTGRES_DB TO $POSTGRES_API_USER;
-    GRANT USAGE ON SCHEMA public TO $POSTGRES_API_USER;
-    GRANT SELECT, INSERT, UPDATE ON anwesenheit, abwesenheit, user_password, wochen_report, s_feiertage TO $POSTGRES_API_USER;
-    GRANT DELETE ON abwesenheit TO $POSTGRES_API_USER;
-    GRANT SELECT ON s_personal_daten, s_abwesenheit_typen, s_anwesenheit_typen, s_feiertage TO $POSTGRES_API_USER;
-    GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO $POSTGRES_API_USER;
-EOSQL
-
-echo "User creation and permissions setup complete!"
-
-# psql -v ON_ERROR_STOP=1 --username root --dbname arbeitszeitmessung

Docker/docker-compose.dev.yml

@@ -2,8 +2,8 @@ name: arbeitszeitmessung-dev
 services:
   db:
     volumes:
-      - ${POSTGRES_PATH}:/var/lib/postgresql/data
-      # - ${POSTGRES_PATH}/initdb:/docker-entrypoint-initdb.d
+      - ../DDB:/var/lib/postgresql/data
+      - ${POSTGRES_PATH}/initdb:/docker-entrypoint-initdb.d
     ports:
       - 5432:5432
 

migrations/20250901201159_initial.up.sql

@@ -1,3 +1,11 @@
+ALTER DEFAULT PRIVILEGES FOR ROLE migrate
+IN SCHEMA public
+GRANT SELECT ON TABLES TO app_base;
+
+ALTER DEFAULT PRIVILEGES FOR ROLE migrate
+IN SCHEMA public
+GRANT USAGE, SELECT ON SEQUENCES TO app_base;
+
 -- create "abwesenheit" table
 CREATE TABLE "abwesenheit" (
   "counter_id" bigserial NOT NULL,
@@ -6,6 +14,7 @@ CREATE TABLE "abwesenheit" (
   "datum" timestamptz NULL DEFAULT (now())::date,
   PRIMARY KEY ("counter_id")
 );
+
 -- create "anwesenheit" table
 CREATE TABLE "anwesenheit" (
   "counter_id" bigserial NOT NULL,
@@ -55,3 +64,6 @@ CREATE TABLE "wochen_report" (
   PRIMARY KEY ("id"),
   CONSTRAINT "wochen_report_personal_nummer_woche_start_key" UNIQUE ("personal_nummer", "woche_start")
 );
+
+GRANT INSERT, UPDATE ON abwesenheit, anwesenheit, wochen_report, user_password TO app_base;
+GRANT DELETE ON abwesenheit to app_base;

migrations/20250901201710_triggers_extension.down.sql

@@ -3,8 +3,3 @@
 DROP FUNCTION update_zuletzt_geandert;
 
 DROP TRIGGER  IF EXISTS pass_hash_update ON user_password;
-
-
--- revert: Adds crypto extension
-
-DROP EXTENSION IF EXISTS pgcrypto;

migrations/20250901201710_triggers_extension.up.sql

@@ -17,5 +17,3 @@ FOR EACH ROW
 EXECUTE FUNCTION update_zuletzt_geandert();
 
 -- Adds crypto extension
-
-CREATE EXTENSION IF NOT EXISTS pgcrypto;

migrations/20251217215955_feiertage.up.sql

@@ -11,3 +11,5 @@ CREATE TABLE "s_feiertage" (
 );
 -- create index "feiertage_unique_pro_jahr" to table: "s_feiertage"
 CREATE UNIQUE INDEX "feiertage_unique_pro_jahr" ON "s_feiertage" ((EXTRACT(year FROM datum)), "name");
+
+GRANT INSERT, UPDATE ON s_feiertage TO app_base;