diff --git a/Dockerfile b/Dockerfile
index de6d7654..6b66aad9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,6 @@ WORKDIR /app
 EXPOSE 8080
 ADD nginx.conf.sigil ./
 COPY requirements.txt .
-RUN apt update && apt install -y git gcc curl
+RUN apt update && apt install -y git gcc curl postgresql
 RUN pip install -r requirements.txt
 COPY . .
diff --git a/settings.py b/settings.py
index 89739c80..f0432bb9 100644
--- a/settings.py
+++ b/settings.py
@@ -6,7 +6,7 @@ DB_URL = (
     environ.get("DATABASE_URL")
     or environ.get("DB_URL")
     or "postgresql://postgres@localhost:5432/discoursio"
-)
+).replace("postgres://", "postgresql://")
 JWT_ALGORITHM = "HS256"
 JWT_SECRET_KEY = environ.get("JWT_SECRET_KEY") or "8f1bd7696ffb482d8486dfbc6e7d16dd-secret-key"
 SESSION_TOKEN_LIFE_SPAN = 30 * 24 * 60 * 60  # 1 month in seconds