docker compose dev environment

dev.Dockerfile

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+FROM elixir:1.19.5-otp-28-alpine
+
+RUN apk add --no-cache build-base git bash wget nodejs npm inotify-tools
+
+WORKDIR /app
+
+ENV USER="elixir"
+RUN addgroup -g 1000 $USER && \
+  adduser -D -u 1000 -G $USER $USER
+
+RUN mkdir -p /app/_build && \
+  chown -R elixir:elixir /app
+
+USER elixir
+
+RUN mix local.hex --force && \
+  mix local.rebar --force