feat: docker and k8s deployment

Dockerfile

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+# Start from a Rust base image
+FROM rust:1.79-bullseye as builder
+
+# Create a new empty shell project
+RUN USER=root cargo new --bin recent-messages2
+WORKDIR /recent-messages2
+
+# Copy over your manifests
+COPY ./Cargo.lock ./Cargo.lock
+COPY ./Cargo.toml ./Cargo.toml
+COPY ./rust-toolchain.toml ./rust-toolchain.toml 
+
+# Copy your source tree
+COPY ./src ./src
+COPY ./migrations_main ./migrations_main
+COPY ./migrations_shard ./migrations_shard
+
+# Build for release.
+RUN cargo build --release
+
+# Our second stage, that will be the final image
+FROM debian:bullseye-slim
+WORKDIR /app
+
+# Install libssl (needed for most applications)
+RUN apt-get update && apt-get install -y libssl-dev && rm -rf /var/lib/apt/lists/*
+
+# Copy the build artifact from the builder stage and set the startup command
+COPY --from=builder /recent-messages2/target/release/recent-messages2 .
+COPY config.toml .
+
+# Create a directory for messages
+RUN mkdir /app/messages
+
+# Start the binary
+CMD ["./recent-messages2"]

deployments/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: recent-messages2-config
+data:
+  config.toml: | 
+    # Paste the contents of your config.toml file here
+    [app]
+    channels_expire_after = "2400 hours"
+    messages_expire_after = "2400 hours"
+    max_buffer_size = 5000
+
+    [web]
+    # Twitch API access credentials, register an application at https://dev.twitch.tv/
+    client_id = "abc"
+    client_secret = "def"
+    redirect_uri = "http://localhost"
+
+    [main_db]
+    user = "db_username"
+    dbname = "recent_messages2"
+    host = [  { hostname = "postgres", port = 5432 } ]

deployments/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: recent-messages2
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: recent-messages2
+  template:
+    metadata:
+      labels:
+        app: recent-messages2
+    spec:
+      containers:
+      - name: recent-messages2
+        image: civon/recent-messages2:v0.1
+        ports:
+        - containerPort: 8080
+        volumeMounts:
+        - name: config-volume
+          mountPath: /app/config.toml
+          subPath: config.toml
+      volumes: 
+      - name: config-volume
+        configMap:
+          name: recent-messages2-config
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: recent-messages2
+spec:
+  selector:
+    app: recent-messages2
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 8080

deployments/postgres-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postgres
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: postgres
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+      - name: postgres
+        image: postgres:13-alpine
+        env:
+        # use these carefully if you expose database to outside world
+        - name: POSTGRES_USER
+          value: "db_username"
+        - name: POSTGRES_DB
+          value: "recent_messages2"
+        - name: POSTGRES_HOST_AUTH_METHOD
+          value: "trust"
+        - name: POSTGRES_PASSWORD
+          value: "password"
+        ports:
+        - containerPort: 5432
+---
+# postgres-service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: postgres
+spec:
+  selector:
+    app: postgres
+  ports:
+    - protocol: TCP
+      port: 5432
+      targetPort: 5432