fix: changed base image to NodeJS 18

fixes #5

cloudtube.Dockerfile

@@ -1,16 +1,15 @@
-FROM node:20-alpine
+FROM node:18-slim
 
 WORKDIR /workdir
 
 COPY package.json ./package.json
 COPY package-lock.json ./package-lock.json
 
-# better-sqlite3 needs node-gyp in order to compile:
-# see: https://github.com/WiseLibs/better-sqlite3/issues/1027#issuecomment-1621200576
-RUN apk --update --no-cache add git python3 build-base alpine-sdk && \
-    npm install -g node-gyp \
+RUN apt-get update -y && \
+    apt-get install -y git python3 build-essential && \
     npm install && \
-    apk del git python3 alpine-sdk build-base
+    apt-get remove -y --purge git python3 build-essential
+
 
 COPY . .