Added Dockerfile and changed baseUrl to current deployment

backend_splatournament_manager/Dockerfile

@@ -0,0 +1,27 @@
+FROM node:lts-alpine AS build
+
+WORKDIR /usr/src/app
+
+# Copy package.json
+COPY package.json ./
+
+# Install dependencies
+RUN yarn install --production
+
+# Copy all files
+COPY . .
+
+RUN yarn run build
+
+FROM node:lts-alpine
+WORKDIR /usr/src/app
+
+COPY package.json ./
+COPY --from=build /usr/src/app/dist ./dist
+
+RUN yarn install --production
+# Expose port 3000
+EXPOSE 3000
+
+# Run app
+CMD [ "node", "dist/app.js" ]