diff --git a/src/main/java/xyz/vallat/louis/MovieQuoteBot.java b/src/main/java/xyz/vallat/louis/MovieQuoteBot.java
index e62711d..954d03c 100644
--- a/src/main/java/xyz/vallat/louis/MovieQuoteBot.java
+++ b/src/main/java/xyz/vallat/louis/MovieQuoteBot.java
@@ -11,6 +11,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import reactor.core.publisher.Mono;
 import xyz.vallat.louis.commands.*;
+import xyz.vallat.louis.database.DBManager;
 import xyz.vallat.louis.subtitles.OpenSubtitles;
 
 import java.util.HashMap;
@@ -18,10 +19,12 @@ import java.util.Map;
 
 public class MovieQuoteBot {
 
+    // TODO: MOVE TO ENUM
     public static final String DISCORD_TOKEN_ENVIRONMENT = "DISCORD_TOKEN";
     public static final String OS_USERNAME_ENVIRONMENT = "OPEN_SUBTITLES_USERNAME";
     public static final String OS_PASSWORD_ENVIRONMENT = "OPEN_SUBTITLES_PASSWORD";
     public static final String OS_UA_ENVIRONMENT = "OPEN_SUBTITLES_USER_AGENT";
+
     public static final String PREFIX = "!";
     public static final String NAME = "Movies Quote Bot";
     public static final String DESCRIPTION = "I may know some quotes from some movies.";
@@ -39,33 +42,15 @@ public class MovieQuoteBot {
     }
 
     public static void main(String[] args) {
-        if ((System.getenv(DISCORD_TOKEN_ENVIRONMENT) == null ||
-                System.getenv(OS_USERNAME_ENVIRONMENT) == null ||
-                System.getenv(OS_PASSWORD_ENVIRONMENT) == null ||
-                System.getenv(OS_UA_ENVIRONMENT) == null
-        ) && args.length < 4) {
-            logger.error("Missing tokens. Exiting.");
-            System.exit(1);
-        }
-
-        String discordToken = System.getenv(DISCORD_TOKEN_ENVIRONMENT) == null ?
-                args[0] :
-                System.getenv(DISCORD_TOKEN_ENVIRONMENT);
-
+        DBManager.testConnection();
         // TODO: FIX CRASH ON LOGIN IF OS IS IN MAINTENANCE OR BROKEN
         OpenSubtitles.login(
-                System.getenv(OS_USERNAME_ENVIRONMENT) == null ?
-                        args[1] :
-                        System.getenv(OS_USERNAME_ENVIRONMENT),
-                System.getenv(OS_PASSWORD_ENVIRONMENT) == null ?
-                        args[2] :
-                        System.getenv(OS_PASSWORD_ENVIRONMENT),
+                System.getenv(OS_USERNAME_ENVIRONMENT),
+                System.getenv(OS_PASSWORD_ENVIRONMENT),
                 "en",
-                System.getenv(OS_UA_ENVIRONMENT) == null ?
-                        args[3] :
-                        System.getenv(OS_UA_ENVIRONMENT)
+                System.getenv(OS_UA_ENVIRONMENT)
         );
-        discordLogin(discordToken);
+        discordLogin(System.getenv(DISCORD_TOKEN_ENVIRONMENT));
         registerDiscordCommands();
 
         Runtime.getRuntime().addShutdownHook(new Thread(() -> {
diff --git a/src/main/java/xyz/vallat/louis/database/DBManager.java b/src/main/java/xyz/vallat/louis/database/DBManager.java
index e29f806..1f5a81a 100644
--- a/src/main/java/xyz/vallat/louis/database/DBManager.java
+++ b/src/main/java/xyz/vallat/louis/database/DBManager.java
@@ -11,37 +11,30 @@ import java.sql.Statement;
 
 public final class DBManager {
 
+    public static final String DB_USERNAME_ENVIRONMENT = "DB_USERNAME";
+    public static final String DB_PASSWORD_ENVIRONMENT = "DB_PASSWORD";
+    public static final String DB_PORT_ENVIRONMENT = "DB_PORT";
+    public static final String DB_HOST_ENVIRONMENT = "DB_HOST";
+    public static final String DB_NAME_ENVIRONMENT = "DB_NAME";
     private static final Logger logger = LoggerFactory.getLogger(MovieQuoteBot.class.getCanonicalName());
-    private static final String DRIVER_CLASS = "org.posgresql.Driver";
+    private static final String DRIVER_CLASS = "org.postgresql.Driver";
     private static final String CONNECTION_PREFIX = "postgresql";
-
-    private static String username;
-    private static String password;
-    private static String database;
-    private static int port = 5432;
-    private static String host;
+    private static final String USERNAME = System.getenv(DB_USERNAME_ENVIRONMENT);
+    private static final String PASSWORD = System.getenv(DB_PASSWORD_ENVIRONMENT);
+    private static final String DATABASE = System.getenv(DB_NAME_ENVIRONMENT);
+    private static final int PORT = System.getenv(DB_PORT_ENVIRONMENT) == null ? 5432 :
+            Integer.parseInt(System.getenv(DB_PORT_ENVIRONMENT));
+    private static final String HOST = System.getenv(DB_HOST_ENVIRONMENT);
 
     private DBManager() {
     }
 
-    public static void setLoginInformation(String host, String database, String username, String password) {
-        DBManager.host = host;
-        DBManager.database = database;
-        DBManager.username = username;
-        DBManager.password = password;
-    }
-
-    public static void setLoginInformation(String host, int port, String database, String username, String password) {
-        DBManager.port = port;
-        setLoginInformation(host, database, username, password);
-    }
-
     // TODO: EXIT CODES AS ENUM
     private static Connection getConnection() {
         try {
             Class.forName(DRIVER_CLASS);
-            return DriverManager.getConnection("jdbc:" + CONNECTION_PREFIX + "://" + host + ":" + port + "/"
-                    + database, username, password);
+            return DriverManager.getConnection("jdbc:" + CONNECTION_PREFIX + "://" + HOST + ":" + PORT + "/"
+                    + DATABASE, USERNAME, PASSWORD);
         } catch (ClassNotFoundException | SQLException e) {
             logger.error("Could not connect to database. Reason: {}.", e.getMessage());
             System.exit(4);