add docker stuff

Dockerfile

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+FROM golang:1.17-alpine
+
+RUN apk update && apk add make git bash
+
+WORKDIR /var/www/status
+
+COPY . .
+RUN make
+
+CMD ["/bin/bash", "-c", "go run generate.go && go run main.go"]
+
+RUN chown -R root:root /var/www/status/db
+
+EXPOSE 8798

docker-compose.yml

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+services:
+  status:
+    build: .
+    ports:
+      - "8798:8000"
+    environment:
+      - DATABASE_URL=postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_DB}:5432/status?sslmode=disable
+      - ASSETS_DIR=/var/www/status/assets
+    volumes:
+      - .:/var/www/status:rw
+      - ./assets/style2.css:/var/www/status/assets/style.css
+
+  db:
+    image: postgres:13
+    restart: always
+    environment:
+      POSTGRES_USER: postgres # change me
+      POSTGRES_PASSWORD: password # change me
+      POSTGRES_DB: status
+    volumes:
+      - ./db:/var/lib/postgresql/data
+    ports:
+      - "5432:5432"