docker: Set up docker staging environment

.idea/jsonSchemas.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JsonSchemaMappingsProjectConfiguration">
+    <state>
+      <map>
+        <entry key="docker-compose.yml">
+          <value>
+            <SchemaInfo>
+              <option name="name" value="docker-compose.yml" />
+              <option name="relativePathToSchema" value="https://raw.githubusercontent.com/compose-spec/compose-spec/master/schema/compose-spec.json" />
+              <option name="applicationDefined" value="true" />
+              <option name="patterns">
+                <list>
+                  <Item>
+                    <option name="path" value="compose.yml" />
+                  </Item>
+                </list>
+              </option>
+            </SchemaInfo>
+          </value>
+        </entry>
+      </map>
+    </state>
+  </component>
+</project>

acrate_docker/Dockerfile

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+FROM rust AS base_builder
+WORKDIR /usr/src/acrate
+COPY --from=source ./acrate_database ./acrate_database
+COPY --from=source ./acrate_nodeinfo ./acrate_nodeinfo
+COPY --from=source ./acrate_rd ./acrate_rd
+COPY --from=source ./acrate_rdserver ./acrate_rdserver
+COPY --from=source ./Cargo.toml ./Cargo.toml
+COPY --from=source ./Cargo.lock ./Cargo.lock
+
+FROM rust:slim AS base_runner
+RUN apt-get update
+RUN apt-get upgrade --assume-yes
+RUN apt-get install --assume-yes libpq5
+WORKDIR /usr/local/bin
+ENV RUST_LOG="warn"
+
+FROM base_builder AS migrate_build
+RUN cargo build --release --package=acrate_database --features=bin --bin=acrate_database_migrate
+
+FROM base_runner AS migrate
+COPY --from=migrate_build /usr/src/acrate/target/release/acrate_database_migrate /usr/local/bin/acrate_database_migrate
+ENTRYPOINT ["acrate_database_migrate"]
+ENV RUST_LOG="warn,acrate_database_migrate=info"
+
+FROM base_builder AS rdserver_build
+RUN cargo build --release --package=acrate_rdserver --bin=acrate_rdserver
+
+FROM base_runner AS rdserver
+COPY --from=rdserver_build /usr/src/acrate/target/release/acrate_rdserver /usr/local/bin/acrate_rdserver
+ENTRYPOINT ["acrate_rdserver"]
+HEALTHCHECK CMD ["curl", "http://127.0.0.1/.healthcheck"]
+ENV RUST_LOG="warn,acrate_rdserver=info"

acrate_docker/compose.yml

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+# Full acrate stack, running on a single machine for experimental purposes
+
+x-config:
+  ingress_config_dir: &ingress_config_dir "./config/caddy"
+  
+name: "acrate"
+
+volumes:
+  ingress_data:
+  ingress_config:
+  postgres_data:
+
+services:
+  # Public ingress node
+  ingress:
+    image: "caddy"
+    restart: "unless-stopped"
+    cap_add:
+    - "NET_ADMIN"
+    ports:
+    - protocol: "tcp"
+      target: 80
+      published: 80
+    - protocol: "tcp"
+      target: 443
+      published: 443
+    - protocol: "udp"
+      target: 443
+      published: 443
+    volumes:
+    - type: "volume"
+      source: "ingress_data"
+      target: "/data"
+    - type: "volume"
+      source: "ingress_config"
+      target: "/config"
+    - type: "bind"
+      source: *ingress_config_dir
+      target: "/etc/caddy"
+  
+  # Main database
+  database:
+    image: "postgres"
+    restart: "unless-stopped"
+    environment:
+      # Make sure the password is the same for both client and server tools
+      POSTGRES_PASSWORD: &postgres_password "acrate"
+      PGUSER: "postgres"
+      PGPASS: *postgres_password
+    volumes:
+    - type: "volume"
+      source: "postgres_data"
+      target: "/var/lib/postgresql/data"
+    expose:
+    - 5432
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready"]
+  
+  # Migrations
+  migrate:
+    build:
+      dockerfile: "./Dockerfile"
+      additional_contexts:
+      - "source=.."
+      target: "migrate"
+    environment:
+      ACRATE_DATABASE_DATABASE_URL: &database_url "postgres:///postgres?host=database&user=postgres&password=acrate" # TODO: Split parameters off to their own envvars
+    depends_on:
+      database:
+        condition: "service_healthy"
+      
+  # Resource descriptor server
+  rdserver:
+    build:
+      dockerfile: "./Dockerfile"
+      additional_contexts:
+      - "source=.."
+      target: "rdserver"
+    restart: "unless-stopped"
+    environment:
+      ACRATE_WEBFINGER_BIND_ADDRESS: "0.0.0.0:80"
+      ACRATE_WEBFINGER_DATABASE_URL: *database_url
+    expose:
+    - 80
+    depends_on:
+      database:
+        condition: "service_healthy"
+      migrate:
+        condition: "service_completed_successfully"

acrate_docker/config/caddy/Caddyfile

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+# replace with your HTTPS domain
+:80 {
+    @rdserver {
+		path "/.well-known/webfinger"
+		path "/.well-known/host-meta"
+        path "/.well-known/host-meta.xml"
+        path "/.well-known/host-meta.json"
+    }
+
+    reverse_proxy @rdserver {
+	    to "http://rdserver"
+
+        health_uri "/.healthcheck"
+        health_status "204"
+	}
+}