Add initial Docker setup with .dockerignore, Dockerfile, and entrypoint script

Dockerfile

@@ -0,0 +1,42 @@
+# Base Stage for NodeJS
+FROM node:22-alpine as base
+
+ENV NODE_ENV=docker
+WORKDIR /usr/src/app
+
+# Installing dependencies with use of package-lock.json
+FROM base as deps
+
+RUN apk --no-cache add git
+COPY homebrewery/package.json homebrewery/package-lock.json ./
+RUN npm ci --ignore-scripts
+
+# Build Stage
+FROM base as builder
+
+COPY --from=deps /usr/src/app/node_modules ./node_modules
+COPY homebrewery/ ./
+RUN npm run build
+
+FROM base as runner
+
+# Defining env variables for homebrewery
+ENV HB_HOST=homebrewery.local.naturalcrit.com:8000 HB_NATURALCRIT_URL=local.naturalcrit.com:8010 HB_SECRET=secret PORT=8000 HB_ENABLE_V3=true HB_ENABLE_THEMES=true HB_LOCAL_ENVIRONMENTS=docker,local HB_PUBLIC_URL=https://homebrewery.naturalcrit.com
+ENV HB_IMAGES=null HB_FONTS=null
+
+# Adding tini for clean signal handling
+ENV TINI_VERSION v0.19.0
+ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
+RUN chmod +x /tini
+
+# Adding Entrypoint
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+# Adding executables
+COPY --from=deps /usr/src/app/node_modules ./node_modules
+COPY --from=deps /usr/src/app/build ./build
+COPY homebrewery/ ./
+
+EXPOSE 8000
+ENTRYPOINT ["/entrypoint.sh"]