added docker support

Dockerfile

@@ -0,0 +1,48 @@
+# use the official Bun image
+# see all versions at https://hub.docker.com/r/oven/bun/tags
+FROM oven/bun:1 AS base
+WORKDIR /usr/src/app
+
+# install dependencies into temp directory
+# this will cache them and speed up future builds
+FROM base AS install
+RUN mkdir -p /temp/dev
+COPY package.json bun.lockb /temp/dev/
+RUN cd /temp/dev && bun install --frozen-lockfile
+
+# install with --production (exclude devDependencies)
+RUN mkdir -p /temp/prod
+COPY package.json bun.lockb /temp/prod/
+RUN cd /temp/prod && bun install --frozen-lockfile --production
+
+# copy node_modules from temp directory
+# then copy all (non-ignored) project files into the image
+FROM base AS prerelease
+COPY --from=install /temp/dev/node_modules node_modules
+COPY . .
+
+# copy production dependencies and source code into final image
+FROM base AS release
+COPY --from=install /temp/prod/node_modules node_modules
+COPY --from=prerelease /usr/src/app/ .
+COPY --from=prerelease /usr/src/app/package.json .
+
+# Set Environment Variables
+ARG NODE_ENV=production
+ENV NODE_ENV=$NODE_ENV
+ENV ACCESS_TOKEN_SECRET=$ACCESS_TOKEN_SECRET
+ENV REFRESH_TOKEN_SECRET=$REFRESH_TOKEN_SECRET
+ENV JWT_EXPIRES=$JWT_EXPIRES
+ENV MONGO_URI=$MONGO_URI
+ENV SMTP_HOST=$SMTP_HOST
+ENV SMTP_PORT=$SMTP_PORT
+ENV SMTP_USER=$SMTP_USER
+ENV SMTP_PASSWORD=$SMTP_PASSWORD
+ENV FROM_EMAIL=$FROM_EMAIL
+ENV FROM_NAME=$FROM_NAME
+ENV SECURE=$SECURE
+
+# run the app
+USER bun
+EXPOSE 5000/tcp
+ENTRYPOINT [ "bun", "./bin/www.js" ]