Added the docker files and ansible playbooks for two instances namely pkl and chd.

docker/app/Dockerfile

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+FROM node:latest AS builder
+ADD https://git.tanshu.com/api/v1/repos/tanshu/barker/tags /tags.json
+RUN git clone --single-branch --depth 1 --branch latest https://git.tanshu.com/tanshu/barker.git /app
+WORKDIR /app/bookie
+RUN npm install --unsafe-perm --legacy-peer-deps && /app/bookie/node_modules/.bin/ng build --prod
+
+
+FROM python:latest
+LABEL maintainer="Amritanshu <docker@tanshu.com>"
+COPY --from=builder /app/barker /app
+COPY --from=builder /app/frontend /app/frontend
+WORKDIR /app
+
+# Install Poetry
+RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | POETRY_HOME=/opt/poetry python && \
+    cd /usr/local/bin && \
+    ln -s /opt/poetry/bin/poetry && \
+    poetry config virtualenvs.create false
+
+# Allow installing dev dependencies to run tests
+ARG INSTALL_DEV=false
+RUN bash -c "if [ $INSTALL_DEV == 'true' ] ; then poetry install --no-root ; else poetry install --no-root --no-dev ; fi"
+
+ENV PYTHONPATH=/app
+EXPOSE 80
+VOLUME /frontend
+
+RUN chmod 777 /app/docker-entrypoint.sh \
+    && ln -s /app/docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh \
+    && ln -s /app/docker-entrypoint.sh /
+ENTRYPOINT ["docker-entrypoint.sh"]
+
+CMD ["python", "-m", "barker"]

docker/app/worker.Dockerfile

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+FROM python:latest
+LABEL maintainer="Amritanshu <docker@tanshu.com>"
+RUN git clone --single-branch --depth 1 --branch latest https://git.tanshu.com/tanshu/barker.git /repo
+RUN mkdir /app && mv /repo/barker/* /app
+WORKDIR /app
+
+# Install Poetry
+RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | POETRY_HOME=/opt/poetry python && \
+    cd /usr/local/bin && \
+    ln -s /opt/poetry/bin/poetry && \
+    poetry config virtualenvs.create false
+
+# Allow installing dev dependencies to run tests
+ARG INSTALL_DEV=false
+RUN bash -c "if [ $INSTALL_DEV == 'true' ] ; then poetry install --no-root ; else poetry install --no-root --no-dev ; fi"
+
+ENV C_FORCE_ROOT=1
+ENV PYTHONPATH=/app
+
+RUN chmod 777 /app/worker-start.sh \
+    && ln -s /app/worker-start.sh /usr/local/bin/worker-start.sh \
+    && ln -s /app/worker-start.sh /
+
+CMD ["bash", "worker-start.sh"]

docker/files/chd.env

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+HOST=0.0.0.0
+PORT=80
+LOG_LEVEL=WARN
+DEBUG=false
+SQLALCHEMY_DATABASE_URI=postgresql://postgres:123456@db:5432/pettychd
+MODULE_NAME=barker.main
+PROJECT_NAME=barker
+REDIS_HOST=redis
+REDIS_PORT=6379
+SECRET_KEY=d9e4facec94d7e0bf3d63ca03b1d78d834b158627b6593274f7fe27f6aed6db4
+MIDDLEWARE_SECRET_KEY=8d5f28b083
+ALGORITHM=HS256
+JWT_TOKEN_EXPIRE_MINUTES=30
+NEW_DAY_OFFSET_MINUTES=420
+TIMEZONE_OFFSET_MINUTES=330
+ALEMBIC_LOG_LEVEL=INFO
+ALEMBIC_SQLALCHEMY_LOG_LEVEL=WARN

docker/files/nginx.conf.j2

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+server {
+
+  listen 80;
+  server_name {{ http_host }};
+
+  # Allow large attachments
+  client_max_body_size 128M;
+
+  location /api {
+    proxy_set_header Host            $host:$server_port;
+    proxy_set_header X-Scheme        $scheme;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_pass       http://localhost:{{ host_port }};
+  }
+  location /token {
+
+    proxy_set_header Host            $host:$server_port;
+    proxy_set_header X-Scheme        $scheme;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_pass       http://localhost:{{ host_port }};
+  }
+  location /refresh {
+    proxy_set_header Host            $host:$server_port;
+    proxy_set_header X-Scheme        $scheme;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_pass       http://localhost:{{ host_port }};
+  }
+  location /db-image {
+    proxy_set_header Host            $host:$server_port;
+    proxy_set_header X-Scheme        $scheme;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_pass       http://localhost:{{ host_port }};
+  }
+  location / {
+    root /var/lib/{{ host_directory }}/frontend;
+    index index.html index.htm;
+    try_files $uri $uri/ /index.html =404;
+  }
+}

docker/files/pkl.env

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+HOST=0.0.0.0
+PORT=80
+LOG_LEVEL=WARN
+DEBUG=false
+SQLALCHEMY_DATABASE_URI=postgresql://postgres:123456@db:5432/pettypkl
+MODULE_NAME=barker.main
+PROJECT_NAME=barker
+REDIS_HOST=redis
+REDIS_PORT=6379
+SECRET_KEY=bd6e5dee0f3b8a6f0db50f7aa08e91d55b2ae5ab6df126defa37e80602481002
+MIDDLEWARE_SECRET_KEY=1d34ef6597
+ALGORITHM=HS256
+JWT_TOKEN_EXPIRE_MINUTES=30
+NEW_DAY_OFFSET_MINUTES=420
+TIMEZONE_OFFSET_MINUTES=330
+ALEMBIC_LOG_LEVEL=INFO
+ALEMBIC_SQLALCHEMY_LOG_LEVEL=WARN

docker/playbook-chd.yml

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+#################################################
+# DO Community Playbooks: Docker
+#################################################
+---
+- hosts: all
+  become: true
+  vars_files:
+    - vars/chd.yml
+
+  tasks:
+    - name: Copy dockerfile
+      synchronize: src=app dest=/tmp
+
+    - name: Build barker image
+      docker_image:
+        name: barker:latest
+        build:
+          path: /tmp/app/
+          dockerfile: /tmp/app/Dockerfile
+          pull: yes
+        state: present
+        source: build
+
+    - name: Build barker worker image
+      docker_image:
+        name: barker-worker:latest
+        build:
+          path: /tmp/app/
+          dockerfile: /tmp/app/worker.Dockerfile
+          pull: yes
+        state: present
+        source: build
+
+    - name: Upload the .env file
+      template:
+        src: "files/chd.env"
+        dest: "/var/lib/{{ host_directory }}/.env"
+
+    - name: Create barker container
+      docker_container:
+        name: "{{ host_directory }}"
+        image: barker:latest
+        state: started
+        restart_policy: "unless-stopped"
+        env_file: "/var/lib/{{ host_directory }}/.env"
+        links:
+          - "postgres:db"
+          - "redis:redis"
+        published_ports:
+          - "127.0.0.1:{{ host_port }}:80"
+        volumes:
+          - "/var/lib/{{ host_directory }}/frontend:/frontend"
+
+    - name: Create barker worker container
+      docker_container:
+        name: "{{ host_directory }}-worker"
+        image: barker-worker:latest
+        state: started
+        restart_policy: "unless-stopped"
+        env_file: "/var/lib/{{ host_directory }}/.env"
+        links:
+          - "redis:redis"
+
+
+    - name: Check if Nginx conf file exists
+      stat: path="/etc/nginx/sites-available/{{ http_conf }}"
+      register: status
+
+    - name: No need to reload Nginx
+      debug: msg= {{ "No need to reload Nginx as sites-available entries have already been created" }}
+
+    - name: Set Nginx conf file
+      when: status.stat.exists == false
+      template:
+        src: "files/nginx.conf.j2"
+        dest: "/etc/nginx/sites-available/{{ http_conf }}"
+
+    - name: Enable new site
+      when: status.stat.exists == false
+      file:
+        src: "/etc/nginx/sites-available/{{ http_conf }}"
+        dest: "/etc/nginx/sites-enabled/{{ http_conf }}"
+        state: link
+      notify: Reload Nginx
+
+  handlers:
+    - name: Reload Nginx
+      service:
+        name: nginx
+        state: reloaded

docker/playbook-pkl.yml

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+#################################################
+# DO Community Playbooks: Docker
+#################################################
+---
+- hosts: all
+  become: true
+  vars_files:
+    - vars/pkl.yml
+
+  tasks:
+    - name: Copy dockerfile
+      synchronize: src=app dest=/tmp
+
+    - name: Build barker image
+      docker_image:
+        name: barker:latest
+        build:
+          path: /tmp/app/
+          dockerfile: /tmp/app/Dockerfile
+          pull: yes
+        state: present
+        source: build
+
+    - name: Build barker worker image
+      docker_image:
+        name: barker-worker:latest
+        build:
+          path: /tmp/app/
+          dockerfile: /tmp/app/worker.Dockerfile
+          pull: yes
+        state: present
+        source: build
+
+    - name: Upload the .env file
+      template:
+        src: "files/pkl.env"
+        dest: "/var/lib/{{ host_directory }}/.env"
+
+    - name: Create barker container
+      docker_container:
+        name: "{{ host_directory }}"
+        image: barker:latest
+        state: started
+        restart_policy: "unless-stopped"
+        env_file: "/var/lib/{{ host_directory }}/.env"
+        links:
+          - "postgres:db"
+          - "redis:redis"
+        published_ports:
+          - "127.0.0.1:{{ host_port }}:80"
+        volumes:
+          - "/var/lib/{{ host_directory }}/frontend:/frontend"
+
+    - name: Create barker worker container
+      docker_container:
+        name: "{{ host_directory }}-worker"
+        image: barker-worker:latest
+        state: started
+        restart_policy: "unless-stopped"
+        env_file: "/var/lib/{{ host_directory }}/.env"
+        links:
+          - "redis:redis"
+
+
+    - name: Check if Nginx conf file exists
+      stat: path="/etc/nginx/sites-available/{{ http_conf }}"
+      register: status
+
+    - name: No need to reload Nginx
+      debug: msg= {{ "No need to reload Nginx as sites-available entries have already been created" }}
+
+    - name: Set Nginx conf file
+      when: status.stat.exists == false
+      template:
+        src: "files/nginx.conf.j2"
+        dest: "/etc/nginx/sites-available/{{ http_conf }}"
+
+    - name: Enable new site
+      when: status.stat.exists == false
+      file:
+        src: "/etc/nginx/sites-available/{{ http_conf }}"
+        dest: "/etc/nginx/sites-enabled/{{ http_conf }}"
+        state: link
+      notify: Reload Nginx
+
+  handlers:
+    - name: Reload Nginx
+      service:
+        name: nginx
+        state: reloaded

docker/vars/chd.yml

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+---
+http_host: "knox.greatbear.id"
+http_conf: "knox.greatbear.in.conf"
+host_port: "8337"
+host_directory: "barker-chd"

docker/vars/pkl.yml

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+---
+http_host: "knox.hopsngrains.com"
+http_conf: "knox.hopsngrains.com.conf"
+host_port: "8338"
+host_directory: "barker-pkl"