diff --git a/flake.nix b/flake.nix
index f3b064d3f5..d001f8d9fc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,5 +9,18 @@
 
     packages."x86_64-linux".default = self.packages."x86_64-linux".sharkey;
 
+    # Default dev shell with all of sharkey's dependencies + redis and postgresql
+    devShells."x86_64-linux".default = nixpkgs.legacyPackages."x86_64-linux".mkShell {
+
+      inputsFrom = [
+				self.packages."x86_64-linux".sharkey
+			];
+
+			nativeBuildInputs = with nixpkgs.legacyPackages."x86_64-linux"; [
+				redis
+				postgresql
+				yq
+			];
+		};
   };
 }
diff --git a/run_with_db.sh b/run_with_db.sh
new file mode 100755
index 0000000000..4144e8f485
--- /dev/null
+++ b/run_with_db.sh
@@ -0,0 +1,48 @@
+# Set up a postgresql database and a redis server for the integration tests.
+
+# Create a unique temporary directory for the unix socket and data:
+export PGDATA=$(mktemp -d)
+
+# Initialize the PostgreSQL data directory
+initdb -D $PGDATA -U postgres
+
+# Start PostgreSQL and Redis using unix sockets
+pg_ctl -D $PGDATA -l $PGDATA/logfile start -o "-k $PGDATA --listen-addresses=''"
+until pg_isready -h $PGDATA; do sleep 1; done
+echo "PostgreSQL started with unix socket at $PGDATA"
+
+# Create a "sharkey" user and database
+psql -h $PGDATA -c "CREATE USER sharkey" -U postgres
+psql -h $PGDATA -c "CREATE DATABASE sharkey OWNER sharkey" -U postgres
+
+# Grab an empty TCP port:
+function random_unused_port {
+    local port=$(shuf -i 2000-65000 -n 1)
+    netstat -lat | grep $port > /dev/null
+    if [[ $? == 1 ]] ; then
+        echo $port
+    else
+        random_unused_port
+    fi
+}
+
+export REDIS_PORT=$(random_unused_port)
+redis-server --port $REDIS_PORT --loglevel warning &
+until redis-cli -p $REDIS_PORT ping; do sleep 1; done
+echo "Redis started with unix socket at $REDISSOCK"
+
+cp .config/example.yml .config/default.yml
+yq -i -Y '.db.host = "'$PGDATA'"' .config/default.yml
+yq -i -Y '.redis.port = "'$REDIS_PORT'"' .config/default.yml
+
+#export MISSKEY_CONFIG_YML=.config/default.yml
+pnpm run migrateandstart
+
+# Open Firefox
+
+# Stop PostgreSQL and Redis
+cleanup() {
+  pg_ctl -D $PGDATA stop
+  redis-cli -s $REDISSOCK shutdown
+}
+trap cleanup EXIT