tsk-10: Dockerize app (#17)

Closes #10

Reviewed-on: #17
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

.dockerignore.yaml

@@ -0,0 +1,6 @@
+vendor/
+
+.git/
+.gitea/
+
+.env

.env.docker.sample

@@ -0,0 +1,8 @@
+AUTH_URL=https://auth.txt.com
+API_URL=https://txt.com
+SERVICE_USERNAME=suave
+SERVICE_PASSPHRASE=9238urc9328nr329
+TWILIO_AUTH_SID=9M438C93R943U4329MCU43C34U
+TWILIO_SERVICE_SID=9M4J3X8439U398NUVT3342MC349C348T
+TWILIO_AUTH_TOKEN="f4a1f2b0b79ea3735078c2d8ee9684e1"
+TWILIO_PHONE_NUMBER=10123456789

.gitignore

@@ -3,3 +3,4 @@ catapult
 
 .env
 .env.local
+.env.docker

Dockerfile

@@ -0,0 +1,45 @@
+FROM golang:1.25.4 AS builder
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    openssh-client git
+
+RUN mkdir -p -m 0700 ~/.ssh && \
+    ssh-keyscan git.kundeng.us >> ~/.ssh/known_hosts
+
+# Configure Git to use SSH for GitHub
+RUN git config --global url."ssh://git@git.kundeng.us".insteadOf "https://git.kundeng.us"
+
+# Set up the Go environment for private modules
+ENV GOPRIVATE=git.kundeng.us
+
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+
+RUN --mount=type=ssh mkdir src && \
+    go mod download
+
+# Copy source code
+COPY ./cmd ./cmd
+COPY ./internal ./internal
+COPY ./Makefile .
+COPY ./.env .
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux make build
+
+# Runtime stage
+FROM alpine:latest AS production
+
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /root/
+
+# Copy the pre-built binary file from the previous stage
+COPY --from=builder /app/catapult .
+COPY --from=builder /app/.env ./
+
+# Command to run the executable
+CMD ["./catapult"]

docker-compose.taml

@@ -0,0 +1,11 @@
+version: '3.8' # Use a recent version
+
+services:
+  catapult_service:
+    build: # Tells docker-compose to build the Dockerfile in the current directory
+      context: .
+      ssh: ["default"]  # Uses host's SSH agent
+    container_name: catapult # Optional: Give the container a specific name
+    env_file:
+      - .env
+    restart: unless-stopped # Optional: Restart policy