fix: remove dependency of docker image

Dockerfile

@@ -4,10 +4,14 @@ COPY . /app
 
 WORKDIR /app
 
+RUN cargo install diesel_cli --no-default-features --features postgres
+RUN mkdir -p /out && cp /root/.cargo/bin/diesel /out/
 RUN cargo build --release
 
 
-FROM clux/diesel-cli
+FROM alpine:latest
+
+COPY --from=builder /out/diesel /bin/
 
 COPY --from=builder /app/migrations /application/migrations
 COPY --from=builder /app/Rocket.toml /application/Rocket.toml

docker-compose.yml

@@ -0,0 +1,26 @@
+version: "3"
+services:
+  rubble:
+    image: kilerd/rubble
+    ports:
+      - "9999:8000"
+    environment:
+      DATABASE_URL: postgres://root:password@postgres/rubble
+      ROCKET_SECRET_KEY: Bqgzqe3zIg2siAS6IBUmL9/50GOW1xDBpxXZgSpFbyM=
+    depends_on:
+      - postgres
+    networks:
+      - backend
+
+  postgres:
+    image: postgres:9-alpine
+    restart: always
+    environment:
+      POSTGRES_USER: root
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: rubble
+    networks:
+      - backend
+
+networks:
+  backend: