wip: added k8 deployment manifests for skaffolding

Author: syntaxsdev

Containerfile

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+FROM golang:1.20 AS builder
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build mercury
+RUN go build -o main .
+
+# Use a smaller image for running
+FROM alpine:latest
+WORKDIR /root/
+COPY --from=builder /app/main .
+
+# Expose the web port
+EXPOSE 8080
+
+# Run mercury server
+CMD ["./main"]

k8s/mercury-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  namespace: mercury
+  name: mercury-app
+  labels:
+    app: mercury-app
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mercury-app
+  template:
+    metadata:
+      labels:
+        app: mercury-app
+    spec:
+      containers:
+      - name: mercury-app
+        image: mercury-app:latest
+        ports:
+        - containerPort: 8080
+        volumeMounts:
+        - mountPath: /app
+          name: mercury-app-code
+      volumes:
+      - name: mercury-app-code
+        emptyDir: {}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mercury-app-service
+spec:
+  selector:
+    app: mercury-app
+  ports:
+  - protocol: TCP
+    port: 8080
+    targetPort: 8080

k8s/mongodb-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mongodb
+  labels:
+    app: mongodb
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mongodb
+  template:
+    metadata:
+      labels:
+        app: mongodb
+    spec:
+      containers:
+      - name: mongodb
+        image: mongo:6.0
+        ports:
+        - containerPort: 27017
+        env:
+        - name: MONGO_INITDB_ROOT_USERNAME
+          value: root
+        - name: MONGO_INITDB_ROOT_PASSWORD
+          value: example
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mongodb-service
+spec:
+  ports:
+  - port: 27017
+    targetPort: 27017
+  selector:
+    app: mongodb
+  type: ClusterIP

k8s/namespace.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: mercury