updated default credentials

db/compose.yml

@@ -8,6 +8,8 @@ services:
     ports:
       - 5432:5432
     environment:
-      POSTGRES_PASSWORD: postgres
+      POSTGRES_USER: alice 
+      POSTGRES_PASSWORD: alice 
+      POSTGRES_DB: alice 
     volumes:
       - ./_data:/var/lib/postgresql/data

db/init.sh

@@ -24,11 +24,11 @@ if [ -z $PGDATABASE ]; then
 fi
 
 if [ -z $PGUSER ]; then
-    export PGUSER="postgres"
+    export PGUSER="alice"
 fi
 
 if [ -z $PGPASSWORD ]; then
-    export PGPASSWORD="postgres"
+    export PGPASSWORD="alice"
 fi
 
 ## Commandline opts: 
@@ -61,7 +61,7 @@ fi
 
 if [ $OPT_CLEAR -eq 1 ]; then
     echo "++ clearing database"
-    $PSQL template1 -c "DROP DATABASE $PGDATABASE"
+    $PSQL template1 -c "DROP DATABASE IF EXISTS $PGDATABASE"
     $PSQL template1 -c "CREATE DATABASE $PGDATABASE"
 fi
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