chore: updated env and docker files

Author: hn275

.dockerignore

@@ -0,0 +1 @@
+/tmp

docker-compose.yml

@@ -25,9 +25,5 @@ services:
     volumes:
       - ./api:/api
     environment:
-      POSTGRES_USER:
-      POSTGRES_PASSWORD:
-      POSTGRES_DB:
-      POSTGRES_HOST:
-      POSTGRES_PORT:
       PORT:
+      POSTGRES_DSN:

env-example

@@ -1,8 +1,11 @@
 GIN_MODE="debug"
 PORT="8080"
+POSTGRES_DSN="postgres://postgres:postgres@db:5432/confesi?sslmode=disable"
 
+# for postgres image only
 POSTGRES_USER="postgres"
 POSTGRES_PASSWORD="postgres"
 POSTGRES_DB="confesi"
 POSTGRES_HOST="db"
 POSTGRES_PORT="5432"
+