Dev environment and prod Dockerfile

.dockerignore

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+target/

Dockerfile

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+FROM rust:1.54 AS builder
+
+ARG DATABASE_URL
+
+WORKDIR /usr/src/app
+
+COPY . .
+
+RUN cargo build --release
+
+RUN cargo install diesel_cli --no-default-features --features postgres
+RUN diesel migration run
+
+FROM debian:buster AS runner
+
+WORKDIR /usr/src/app
+
+RUN apt-get update -y && apt-get install -y libssl1.1 libpq5
+
+COPY --from=builder /usr/src/app/target/release/haas_api .
+COPY --from=builder /usr/src/app/rocket.toml .
+COPY --from=builder /usr/src/app/openapi/openapi.yaml ./openapi/openapi.yaml
+
+CMD ["./haas_api"]

README.md

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-# api
+# Hack as a Service API
+
+## Running locally
+
+1. Install [Docker](https://docker.com) and Docker Compose.
+2. Run `docker-compose up -d` to start up your development instance.
+3. Run `docker-compose exec main diesel migration run` to update the database (you only need to run this once, unless you modify the database schema)
+4. Visit http://localhost:3000
+
+Other commands:
+
+- `docker-compose logs -f main` streams logs from the Rocket app
+- `docker-compose exec db psql -U postgres` opens a shell into the PostgreSQL database
+- `docker-compose stop` stops the dev environment

dev.Dockerfile

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+FROM rust:1.54
+
+WORKDIR /usr/src/app
+
+COPY . .
+
+RUN cargo install diesel_cli --no-default-features --features postgres && \
+    cargo install cargo-watch
+
+# Dummy build to fetch/compile dependencies
+RUN cargo build
+
+CMD ["cargo", "watch", "-x", "run"]

docker-compose.yml

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+version: "3"
+services:
+  main:
+    build:
+      context: .
+      dockerfile: dev.Dockerfile
+    volumes:
+      - .:/usr/src/app
+    environment:
+      ROCKET_DATABASES: '{db = {url = "postgres://postgres:postgres@db:5432/postgres"}}'
+      DATABASE_URL: postgres://postgres:postgres@db:5432/postgres
+    ports:
+      - 3000:3000
+  db:
+    image: postgres:alpine
+    environment:
+      POSTGRES_PASSWORD: postgres
+    volumes:
+      - db_volume:/var/lib/postgresql/data
+volumes:
+  db_volume:

rocket.toml

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 [default]
+address = "0.0.0.0"
 port = 3000
 
 [global.databases]