From 383005bc8d05cfe6ece4eca3f1366710f4134f05 Mon Sep 17 00:00:00 2001
From: Eduardo Cabral <47820549+FerroEduardo@users.noreply.github.com>
Date: Thu, 26 Oct 2023 12:54:59 -0300
Subject: [PATCH] feature: deploy containers

Build using docker, publish to Docker Hub and run containers using Podman
---
 .github/workflows/deploy-prod.yaml | 80 ++++++++----------------------
 Dockerfile                         | 41 +++++++++++++++
 start-container.sh                 | 67 +++++++++++++++++++++++++
 3 files changed, 129 insertions(+), 59 deletions(-)
 create mode 100644 Dockerfile
 create mode 100644 start-container.sh

diff --git a/.github/workflows/deploy-prod.yaml b/.github/workflows/deploy-prod.yaml
index 3f4b8c1..d129842 100644
--- a/.github/workflows/deploy-prod.yaml
+++ b/.github/workflows/deploy-prod.yaml
@@ -27,7 +27,23 @@ jobs:
         run: chmod +x gradlew
 
       - name: 'Build and Generate JAR'
-        run: ./gradlew deploy --no-daemon -P version=${{github.ref_name}}
+        run: ./gradlew build deploy --no-daemon -P version=${{github.ref_name}}
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3.0.0
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5.0.0
+        with:
+          context: .
+          file: ./Dockerfile
+          build-args: |
+            APP_VERSION=${{github.ref_name}}
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: eduardoferro/capivara:${{ github.sha }},${{ github.event_name == 'release' && format('eduardoferro/capivara:latest,eduardoferro/capivara:{0}', github.ref_name) || '' }}
 
       - name: 'Wait for SSH'
         run: |
@@ -46,70 +62,16 @@ jobs:
         env:
           INSTANCE_IP: ${{ secrets.INSTANCE_IP }}
 
-      - name: 'Stop and Delete Previous App'
-        uses: appleboy/ssh-action@v0.1.4
-        continue-on-error: true
-        with:
-          host: ${{ secrets.INSTANCE_IP }}
-          username: ${{ secrets.SSH_USERNAME }}
-          passphrase: ${{ secrets.VM_SSH_PRIVATE_KEY_PASSPHRASE }}
-          key: ${{ secrets.VM_SSH_PRIVATE_KEY }}
-          script: |
-            pkill -f 'java .* -jar .*CapivaraBot.*\.jar'
-            rm -rf /home/${{ secrets.SSH_USERNAME }}/capivara/CapivaraBot.jar
-
-      - name: 'Push Repo'
+      - name: 'Push start-container.sh'
         uses: appleboy/scp-action@v0.1.4
         with:
           host: ${{ secrets.INSTANCE_IP }}
           username: ${{ secrets.SSH_USERNAME }}
           passphrase: ${{ secrets.VM_SSH_PRIVATE_KEY_PASSPHRASE }}
           key: ${{ secrets.VM_SSH_PRIVATE_KEY }}
-          source: "./build/libs/CapivaraBot.jar"
+          source: "./start-container.sh"
           target: /home/${{ secrets.SSH_USERNAME }}/capivara/
-          strip_components: 3
-
-      - name: 'Create main.properties'
-        uses: appleboy/ssh-action@v0.1.4
-        with:
-          host: ${{ secrets.INSTANCE_IP }}
-          username: ${{ secrets.SSH_USERNAME }}
-          passphrase: ${{ secrets.VM_SSH_PRIVATE_KEY_PASSPHRASE }}
-          key: ${{ secrets.VM_SSH_PRIVATE_KEY }}
-          script: |
-            cd /home/${{ secrets.SSH_USERNAME }}/capivara
-            
-            echo 'spring.datasource.url=jdbc:postgresql://localhost:5432/capivara' > main.properties
-            echo 'spring.datasource.driverClassName=org.postgresql.Driver' >> main.properties
-            echo 'spring.jpa.database-platform=org.hibernate.dialect.PostgreSQL95Dialect' >> main.properties
-            echo 'spring.datasource.username=${{ secrets.DATABASE_USERNAME }}' >> main.properties
-            echo 'spring.datasource.password=${{ secrets.DATABASE_PASSWORD }}' >> main.properties
-            echo 'hibernate.hbm2ddl.auto=update' >> main.properties
-            echo 'token=${{ secrets.DISCORD_BOT_TOKEN }}' >> main.properties
-            echo 'log.channel.id=${{ secrets.DISCORD_LOG_CHANNEL_ID }}' >> main.properties
-            echo 'log.directory=/home/${{ secrets.SSH_USERNAME }}/capivara/logs/' >> main.properties
-
-      - name: 'Create start.sh'
-        uses: appleboy/ssh-action@v0.1.4
-        with:
-          host: ${{ secrets.INSTANCE_IP }}
-          username: ${{ secrets.SSH_USERNAME }}
-          passphrase: ${{ secrets.VM_SSH_PRIVATE_KEY_PASSPHRASE }}
-          key: ${{ secrets.VM_SSH_PRIVATE_KEY }}
-          script: |
-            cd /home/${{ secrets.SSH_USERNAME }}/capivara
-
-            echo '#!/bin/bash' > start.sh
-            echo 'source "/home/${{ secrets.SSH_USERNAME }}/.sdkman/bin/sdkman-init.sh"' >> start.sh
-            
-            echo 'DIRECTORY=/home/${{ secrets.SSH_USERNAME }}/capivara' >> start.sh
-            echo 'FILENAME=CapivaraBot.jar' >> start.sh
-            echo 'FULLPATH=${DIRECTORY}/${FILENAME}' >> start.sh
-            echo 'JAVA_ARGS=-Xmx300M' >> start.sh
-            
-            echo 'cd $DIRECTORY' >> start.sh
-
-            echo 'java $JAVA_ARGS -jar $FULLPATH --spring.config.location=file:/home/${{ secrets.SSH_USERNAME }}/capivara/main.properties --curupira.reset=${1-true}' >> start.sh
+          strip_components: 1
 
       - name: 'Start BOT'
         uses: appleboy/ssh-action@v0.1.4
@@ -120,4 +82,4 @@ jobs:
           key: ${{ secrets.VM_SSH_PRIVATE_KEY }}
           script: |
             cd /home/${{ secrets.SSH_USERNAME }}/capivara
-            nohup bash start.sh > nohup.out 2> nohup.err < /dev/null &
+            DISCORD_TOKEN=${{ secrets.DISCORD_BOT_TOKEN }} LOG_CHANNEL_ID=${{ secrets.DISCORD_LOG_CHANNEL_ID }} CURUPIRA_RESET=true DATABASE_DRIVER=org.postgresql.Driver DATABASE_DIALECT=org.hibernate.dialect.PostgreSQL95Dialect DATABASE_URL=jdbc:postgresql://localhost:5432/capivara DATABASE_USERNAME=${{ secrets.DATABASE_USERNAME }} DATABASE_PASSWORD=${{ secrets.DATABASE_PASSWORD }} JAVA_ARGS=-Xmx200M /bin/bash start-container.sh
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..f9565d3
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,41 @@
+FROM docker.io/eclipse-temurin:17-jdk-alpine as builder
+
+WORKDIR /app
+ADD . /tmp
+
+ARG APP_VERSION="invalid"
+
+RUN cd /tmp && \
+    chmod +x gradlew && \
+    ./gradlew deploy -P version=$APP_VERSION --no-daemon && \
+    mv build/libs/CapivaraBot.jar /app && \
+    rm -rf /tmp/*
+
+FROM docker.io/eclipse-temurin:17-jre-alpine
+
+WORKDIR /app
+COPY --from=builder /app .
+
+ENV JAVA_ARGS="-Xmx300M"
+ENV LOG_DIRECTORY="/app/logs"
+ENV SPRING_CONFIG_LOCATION="/app/main.properties"
+ENV DISCORD_TOKEN="invalid"
+ENV CURUPIRA_RESET="true"
+ENV LOG_CHANNEL_ID="invalid"
+ENV DATABASE_DRIVER="org.postgresql.Driver"
+ENV DATABASE_DIALECT="org.hibernate.dialect.PostgreSQL95Dialect"
+ENV DATABASE_URL="jdbc:postgresql://localhost:5432/capivara"
+ENV DATABASE_USERNAME="database-username"
+ENV DATABASE_PASSWORD="database-password"
+
+ENTRYPOINT java ${JAVA_ARGS} -jar CapivaraBot.jar \
+    --token=${DISCORD_TOKEN} \
+    --spring.config.location=file:${SPRING_CONFIG_LOCATION} \
+    --curupira.reset=${CURUPIRA_RESET} \
+    --log.directory=${LOG_DIRECTORY} \
+    --log.channel.id=${LOG_CHANNEL_ID} \
+    --spring.datasource.driverClassName=${DATABASE_DRIVER} \
+    --spring.jpa.database-platform=${DATABASE_DIALECT} \
+    --spring.datasource.url=${DATABASE_URL} \
+    --spring.datasource.username=${DATABASE_URL} \
+    --spring.datasource.password=${DATABASE_URL}
\ No newline at end of file
diff --git a/start-container.sh b/start-container.sh
new file mode 100644
index 0000000..da98251
--- /dev/null
+++ b/start-container.sh
@@ -0,0 +1,67 @@
+if [ -z "${1}" ]; then
+  echo "Missing container repository and tag"
+  exit 1;
+else
+  echo "Container repository and tag: $1"
+fi
+CONTAINER_REPOSITORY=${1}
+
+if [[ -z "${DISCORD_TOKEN}" ]] || [[ -z "${LOG_CHANNEL_ID}" ]] ; then
+  echo 'Missing required environment variable: DISCORD_TOKEN, LOG_CHANNEL_ID'
+  exit 1
+fi
+
+CONTAINER_NAME="capivara_bot"
+OLD_CONTAINER_ID=$(podman ps --all --quiet --filter "name=$CONTAINER_NAME")
+
+if [[ -z "${OLD_CONTAINER_ID}" ]]; then
+  echo "Container not found"
+else
+    echo "Found container $OLD_CONTAINER_ID"
+    echo "Stopping..."
+    WAIT=10 # seconds
+    podman stop $OLD_CONTAINER_ID -t $WAIT || { echo 'Failed to stop container'; exit 1; }
+    echo "Removing..."
+    podman rm --force $OLD_CONTAINER_ID || { echo 'Failed to remove container'; exit 1; }
+fi
+
+echo "Starting container..."
+podman run -d \
+    -e DISCORD_TOKEN=$DISCORD_TOKEN \
+    -e LOG_CHANNEL_ID=$LOG_CHANNEL_ID \
+    -e CURUPIRA_RESET=${CURUPIRA_RESET:-false} \
+    -e DATABASE_DRIVER=${DATABASE_DRIVER:-org.h2.Driver} \
+    -e DATABASE_DIALECT=${DATABASE_DIALECT:-org.hibernate.dialect.H2Dialect} \
+    -e DATABASE_URL=${DATABASE_URL:-jdbc:h2:file:./banco_h2;DB_CLOSE_DELAY=-1} \
+    -e DATABASE_USERNAME=${DATABASE_USERNAME:-sa} \
+    -e DATABASE_PASSWORD=${DATABASE_PASSWORD:-sa} \
+    -e JAVA_ARGS=${JAVA_ARGS:--Xmx200M} \
+    --cpus 0.5 \
+    --memory 200M \
+    --name $CONTAINER_NAME \
+    --restart always \
+    $CONTAINER_REPOSITORY || { echo 'Failed to start container failed'; exit 1; }
+
+
+SLEEP=10
+CHECKS=0
+MAX_CHECKS=3
+echo "Starting 'healthcheck'"
+while true; do
+    NEW_CONTAINER_ID=$(podman ps --quiet --filter "name=$CONTAINER_NAME")
+    if [[ -z "${NEW_CONTAINER_ID}" ]]; then
+        echo "Container died? exiting"
+        exit 1
+    fi
+
+    if [[ CHECKS -eq MAX_CHECKS ]]; then
+        break
+    fi
+    ((CHECKS += 1))
+    sleep $SLEEP
+done;
+
+echo "Container should be alive"
+
+echo "Cleaning images..."
+podman image prune -a -f || { echo 'Failed to start clean images'; exit 1; }