Use alpine as base for Docker image

Dockerfile

@@ -1,26 +1,25 @@
-FROM lukemathwalker/cargo-chef:latest-rust-1.68.0 AS chef
+FROM rust:alpine as chef
+RUN apk add --no-cache musl-dev file make
+RUN cargo install cargo-chef 
 WORKDIR app
 
 FROM chef AS planner
 COPY . .
 RUN cargo chef prepare --recipe-path recipe.json
 
 FROM chef AS builder
-
-# Ensure working C compile setup (not installed by default in arm64 images)
-RUN apt update && apt install build-essential -y
-
 COPY --from=planner /app/recipe.json recipe.json
 RUN cargo chef cook --release --recipe-path recipe.json
-
 COPY . .
 RUN cargo build --release --bin atuin
 
-FROM debian:bullseye-20230502-slim AS runtime
-
-RUN useradd -c 'atuin user' atuin && mkdir /config && chown atuin:atuin /config
-RUN apt update && apt install ca-certificates -y # so that webhooks work
-WORKDIR app
+FROM alpine:3.12 as runner
+RUN apk add shadow ca-certificates 
+RUN groupmod -g 1000 users \
+ && useradd -u 1000 -m atuin \
+ && usermod -G users atuin \
+ && mkdir /config \
+ && chown atuin:users /config
 
 USER atuin
 
@@ -29,4 +28,5 @@ ENV RUST_LOG=atuin::api=info
 ENV ATUIN_CONFIG_DIR=/config
 
 COPY --from=builder /app/target/release/atuin /usr/local/bin
-ENTRYPOINT ["/usr/local/bin/atuin"]
+CMD ["/usr/local/bin/atuin"]
+

docs/docs/self-hosting/docker.md

@@ -24,8 +24,9 @@ Create a `docker-compose.yml`:
 version: '3.5'
 services:
  atuin:
- restart: always
  image: ghcr.io/ellie/atuin:main
+ restart: always
+ user: ${UID:-1000}:${GID:-1000}
  command: server start
  volumes:
  - "./config:/config"
@@ -38,8 +39,9 @@ services:
  ATUIN_OPEN_REGISTRATION: "true"
  ATUIN_DB_URI: postgres://$ATUIN_DB_USERNAME:$ATUIN_DB_PASSWORD@db/atuin
  postgresql:
- image: postgres:14
- restart: unless-stopped
+ image: postgres:14-alpine
+ restart: always
+ user: ${UID:-1000}:${GID:-1000}
  volumes: # Don't remove permanent storage for index database files!
  - "./database:/var/lib/postgresql/data/"
  environment: